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How to cite in APA when there are multiple authors

This article covers how to cite a reference in APA style (7th ed.) when there are multiple authors. Broadly speaking, in an APA style “the author” refers to the person(s) or group(s) who should be given credit for the work being referenced.

Here’s a run-through of everything this page includes:

In-text citations when there are multiple authors

Reference list entries when there are multiple authors, troubleshooting.

APA 7th ed. uses the author-date citation system for citing references in text. Unless you are citing a source with no author in APA , the structure in parenthetical citations includes placing the author’s last name/surname, followed by a comma, and the publication year in parentheses. In narrative citations, this information is incorporated into the sentence.

Parenthetical citation for one author:

(Author Last Name, Year Published)

(Curtis, 2020)

Narrative citation for one author:

Author Last Name (Year Published)

Curtis (2020)

Two authors

For a work with two authors, include both authors’ last names in every in-text citation, whether narrative or parenthetical. In parenthetical citations, use an ampersand (&) between the authors’ last names.

Parenthetical citation for two authors:

(1st Author & 2nd Author, Year Published)

(Curtis & Williams, 2020)

Narrative citation for two authors:

1st Author & 2nd Author (Year Published)

Curtis & Williams (2020)

Three or more authors

When citing a journal paper in APA with three or more authors, only enter the last name of the first author listed and add “et al.” after it. “Et al.” is Latin for the phrase “and others,” which is why it is used as a substitute for two or more authors’ last names.

Parenthetical citation for three or more authors:

(1st Author et al., Year Published)

(Harris et al., 2020)

Narrative citation for three or more authors:

1st Author et al. (Year Published)

Harris et al. (2020)

Here is a page with more information on when to use “et al.” in APA style .

Group authors

The same guidelines for in-text citations apply when the authors of a source are a distinct group or organization such as a government agency, association, nonprofit organization, business, hospital, task force, or study group. To confirm whether a reference was written by individual author(s) or a group, check the cover or title page.

Hint: for an online resource, the author could be the name of the organization hosting the webpage or website, rather than the name of just one content contributor.

Before using an abbreviated group name as the author of your citation, spell out the abbreviation and define the group one time first in the text. Afterward, use the abbreviation of the group name throughout the rest of the paper.

Group author in-text citation examples:

First parenthetical citation with group abbreviation included: (Association of Jesuit Colleges and Universities [AJCU], 2020)

Subsequent parenthetical citations: (AJCU, 2020)

First narrative citation with group abbreviation included: The Association of Jesuit Colleges and Universities [AJCU] (2020)

Subsequent narrative citations: The AJCU (2020)

Avoiding ambiguity in in-text citations

Sometimes, in-text citations that have three or more authors, some of whom have the same last name, and the same publication year can look like they are the same reference when using the et al. abbreviation. For example, Curtis et al. (2020) could refer to

Curtis, Acres, Thomas, Henderson, and Tyler (2020)

Curtis, Acres, Thomas, Henderson, Maxey, Key, Smith, and Esparza (2020)

To avoid this ambiguity and confusion for the reader, write out as many names as possible for the in-text citation until the references are distinguished, and then add “et. al” to abbreviate the other authors’ names.

Curtis, Acres, Thomas, Henderson, et al. (2020)

Curtis, Acres, Thomas, Henderson, Maxey, et al. (2020)

When only the final author is different, list all of the names in every citation to avoid any confusion.

Curtis, Acres, Thomas, Henderson, and Esparza (2020)

APA has slightly different reference structures for different source types (e.g., book, website, journal article, etc.), but each structure generally includes the following:

Author last name, Author initials. (Date Published). Title. URL or DOI if available .

Need more help with citing a particular source? Find further guidance in this APA citations guide.

One or two authors

For references with one or two authors, cite using the four-part structure.

Two individual authors example:

Smith, J., & Jones, S. (1994). Making a movie star. Behind the Scenes Stories: A Journal of Celebrity Life, 44 (2), 192–200. https://doi.org/l4nds0r

One group author example:

The American Marine Society. (2003). Whale mating patterns in the new millennium. The American Marine Society Magazine , 17-20 . https://fams.gov/article/2003/whale-mating-patterns-in-the-new-millennium

2 – 20 authors

In APA 7th ed., up to 20 authors should be included in a reference list entry. Write out the last name and first initial(s) for each contributor.

2–20 authors example:

Wright, A., Komal, G., Siddharth, D., Boyd, G., Cayson, N., Beverley, K., Travers, K., Begum, A., Redmond, M., Mills, M., Cherry, D., Finley, B., Fox, M., Ferry, F., Almond, B., Howell, E., Gould, T., Berger, B., Bostock, T., Fountain, A. (2020). Styling royalty. London Bridge Press.

21+ authors

For references with more than 20 authors, after listing the 19th author replace any additional author names with an ellipsis ( … ) followed by the final listed author’s last name and first initial(s).

21+ authors example:

Wright, A., Komal, G., Siddharth, D., Boyd, G., Cayson, N., Beverley, K., Travers, K., Begum, A., Redmond, M., Mills, M., Cherry, D., Finley, B., Fox, M., Ferry, F., Almond, B., Howell, E., Gould, T., Berger, B., Bostock, T., . . . Booker, T. (2020). Eating well: Tips from 23 lifestyle authors. Food Magazine. https://foodmag.com/article/2020/tips-from-22-lifestyle-authors

Solution #1: How to order the names of multiple authors in an APA reference

Authors should be cited in the exact order that they are listed by the source, even if they have not been listed alphabetically.

Solution #2: How to cite an article with more than 20 authors in APA style

If an article has more than 20 authors, all authors do not need to be listed in the reference. Instead, name the first 19, then use an ellipsis (…), then add the name of the final author listed. The ellipsis acts as a substitute for all the names between the first 19 and the final authors. No ampersand (&) is needed before the final name.

For example:

Richards, B.A., Lillicrap, T. P., Beaudoin, P., Bengio, Y., Bogacz, R., Christensen, A., Clopath, C.

Costa, R. P., de Berker, A., Ganguli, S., Gillon, C. J., Hafner, D., Kepecs, A., Kriegeskorte,

N., Latham, P., Lindsay, G. W., Miller, K. D., Naud, R., Pack, C. C., … Kording, K. P. (2019). A deep learning framework for neuroscience. Nature Neuroscience ,  22 (11), 1761–1770. https://doi.org/10.1038/s41593-019-0520-2

When making an in-text citation, only write the first author’s last name followed by “et. al.” This applies to both parenthetical and narrative citations.

(Richard et al., 2019)

Richard et al. (2019)

Solution #3: How to cite an article written by an organization in APA style

When an article is written by an organization, use the typical four-part APA structure (author, date, title, publisher) and cite the organization as the author.

American Nurses Association. (2019). 2018 Annual Report, American Nurse Today, 14 (6), 29-36.

https://www.nursingworld.org/~49d621/globalassets/docs/ana/ana-annual-report-for-

If the organization that authored an article is also its publisher , omit the publisher’s name in the citation.

Use the organization’s name as the author. For example:

American Nurses Association [ANA] (2019)

If an organization’s name is long, abbreviate it by doing the following:

1 st in-text narrative citation: American Nurses Association [ANA] (2019)

1 st in-text parenthetical citation: (American Nurses Association [ANA] (2019)

After this distinction is made, abbreviations in-text can be used as demonstrated below:

Narrative citations: The ANA (2019)

Parenthetical citations: (ANA, 2019)

Published October 28, 2020.

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To cite a source with multiple authors and an edition number in APA style, you need to know the names of the authors, title of the book, edition number, and publisher. The in-text citation of a book with multiple authors and an edition number is similar to citing a journal or a book reference with multiple authors. An example of a book reference with three authors and an edition number, along with a template, is given below:

In-text citation template and example:

Author Surname et al. (Publication Year)

LeBuffe et al. (2012)

Parenthetical

(Author Surname et al., Publication Year)

(LeBuffe et al., 2012)

Reference list entry template and example:

Author Surname, F. M., Author Surname, F. M., & Author Surname, F. M. (Publication Year). Book title (edition number). Publisher

LeBuffe, P. A., Naglieri, J. A., & Manderth, A. (2012). Devereux early childhood assessment for preschoolers (2nd ed.). Kaplan Early Learning Company.

Use numerals to indicate an edition number. The word “edition” is abbreviated as “ed.” Italicize the book title and follow sentence case for capitalization.

Citing a source that has multiple authors with the same last name and same initials is the same as citing a source with different authors. There is no need to add the initials of the authors in in-text citations as all surnames (although the same) appear in a single source. Examples of a book reference with three authors with the same last name and initials and their templates are given below:

Dunn et al. (2007)

(Dunn et al., 2007)

Author Surname, F. & Author Surname, F. (Publication Year). Book title. Publisher.

Dunn, L. M., Dunn, L. M., & Dunn, L. M. (2007). Peabody picture vocabulary test-IV. American Guidance Service.

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apa cite 2 authors book

In-Text Citations: Author/Authors

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Copyright ©1995-2018 by The Writing Lab & The OWL at Purdue and Purdue University. All rights reserved. This material may not be published, reproduced, broadcast, rewritten, or redistributed without permission. Use of this site constitutes acceptance of our terms and conditions of fair use.

Note:  This page reflects the latest version of the APA Publication Manual (i.e., APA 7), which released in October 2019. The equivalent resource for the older APA 6 style  can be found here .

Though the APA's author-date system for citations is fairly straightforward, author categories can vary significantly from the standard "one author, one source" configuration. There are also additional rules for citing authors of indirect sources, electronic sources, and sources without page numbers.

A Work by One Author 

The APA manual recommends the use of the author-date citation structure for in-text citation references. This structure requires that any in-text citation (i.e., within the body of the text) be accompanied by a corresponding reference list entry. In the in-text citation provide the surname of the author but do not include suffixes such as "Jr.". 

Citing Non-Standard Author Categories

A work by two authors.

Name both authors in the signal phrase or in parentheses each time you cite the work. Use the word "and" between the authors' names within the text and use the ampersand in parentheses.

A Work by Three or More Authors

List only the first author’s name followed by “et al.” in every citation, even the first, unless doing so would create ambiguity between different sources.

In  et al. , et  should not be followed by a period. Only "al" should be followed by a period.

If you’re citing multiple works with similar groups of authors, and the shortened “et al” citation form of each source would be the same, you’ll need to avoid ambiguity by writing out more names. If you cited works with these authors:

They would be cited in-text as follows to avoid ambiguity:

Since et al. is plural, it should always be a substitute for more than one name. In the case that et al. would stand in for just one author, write the author’s name instead.

Unknown Author

If the work does not have an author, cite the source by its title in the signal phrase or use the first word or two in the parentheses. Titles of books and reports are italicized; titles of articles, chapters, and web pages are in quotation marks. APA style calls for capitalizing important words in titles when they are written in the text (but not when they are written in reference lists).

Note : In the rare case that "Anonymous" is used for the author, treat it as the author's name (Anonymous, 2001). In the reference list, use the name Anonymous as the author.

Organization as an Author

If the author is an organization or a government agency, mention the organization in the signal phrase or in the parenthetical citation the first time you cite the source, just as you would an individual person.

If the organization has a well-known abbreviation, you may include the abbreviation in brackets the first time the source is cited and then use only the abbreviation in later citations. However, if you cite work from multiple organizations whose abbreviations are the same, do not use abbreviations (to avoid ambiguity).

Two or More Works in the Same Parentheses

When your parenthetical citation includes two or more works, order them the same way they appear in the reference list (viz., alphabetically), separated by a semi-colon.

If you cite multiple works by the same author in the same parenthetical citation, give the author’s name only once and follow with dates. No date citations go first, then years, then in-press citations.

Authors with the Same Last Name

To prevent confusion, use first initials with the last names.

Two or More Works by the Same Author in the Same Year

If you have two sources by the same author in the same year, use lower-case letters (a, b, c) with the year to order the entries in the reference list. Use the lower-case letters with the year in the in-text citation.

Introductions, Prefaces, Forewords, and Afterwords

When citing an Introduction, Preface, Foreword, or Afterword in-text, cite the appropriate author and year as usual.

Personal Communication

For interviews, letters, e-mails, and other person-to-person communication, cite the communicator's name, the fact that it was personal communication, and the date of the communication. Do not include personal communication in the reference list.

If using a footnote to reference personal communication, handle citations the same way.

Traditional Knowledge of Indigenous Peoples

When citing information you learned from a conversation with an Indigenous person who was not your research participant, use a variation of the personal communication citation above. Include the person’s full name, nation or Indigenous group, location, and any other relevant details before the “personal communication, date” part of the citation.

Citing Indirect Sources

Generally, writers should endeavor to read primary sources (original sources) and cite those rather than secondary sources (works that report on original sources). Sometimes, however, this is impossible. If you use a source that was cited in another source, name the original source in your signal phrase. List the secondary source in your reference list and include the secondary source in the parentheses. If you know the year of the original source, include it in the citation.

Electronic Sources

If possible, cite an electronic document the same as any other document by using the author-date style.

Unknown Author and Unknown Date

If no author or date is given, use the title in your signal phrase or the first word or two of the title in the parentheses and use the abbreviation "n.d." (for "no date").

Sources Without Page Numbers

When an electronic source lacks page numbers, you should try to include information that will help readers find the passage being cited. Use the heading or section name, an abbreviated heading or section name, a paragraph number (para. 1), or a combination of these.

Note:  Never use the page numbers of webpages you print out; different computers print webpages with different pagination. Do not use Kindle location numbers; instead, use the page number (available in many Kindle books) or the method above. 

Other Sources

The  APA Publication Manual  describes how to cite many different kinds of authors and content creators. However, you may occasionally encounter a source or author category that the manual does not describe, making the best way to proceed unclear.

In these cases, it's typically acceptable to apply the general principles of APA citation to the new kind of source in a way that's consistent and sensible. A good way to do this is to simply use the standard APA directions for a type of source that resembles the source you want to cite. For example, a sensible way to cite a virtual reality program would be to mimic the APA's guidelines for computer software.

You may also want to investigate whether a third-party organization has provided directions for how to cite this kind of source.

East Carolina University Libraries

APA Citation Style, 6th Edition: Two Authors/Editors

Book with Two Authors

(this libguide is for apa 6th edition, click   here   to visit our new   apa 7th edition libguide ).

The formatting guidelines below refer to books with two authors.

General Format:

In-Text Citation (Paraphrase):

(Author's Last Name & Author's Last Name, year)

In-Text Citation (Direct Quote):

(Author's Last Name & Author's Last Name, year, page number)

References:

Author's Last Name, First Initial. Second Initial., & Author's Last Name, First Initial. Second Initial. (Year).  Book title: Subtitle.  Location of publication: Publisher.

In-text Citation (Paraphrase):

(Thanavaro & Moore, 2017)

In-text Citation (Direct Quote):

(Thanavaro & Moore, 2017, p. 52)

Thanavaro, J., & Moore, K. S. (2017).  Clinical decision making for adult-gerontology primary care nurse practitioners.  Burlington, MA: Jones & Bartlett Learning.

Books with Two Editors

The formatting guidelines below refer to books with two editors.

(Editor's Last Name & Editor's Last Name, year)

(Editor's Last Name & Editor's Last Name, year, page number)

Editor's Last Name, First Initial. Second Initial., & Editor's Last Name, First Initial. Second Initial. (Eds.). (Year).  Book title: Subtitle.  Location of publication: Publisher.

(Worth & Coates, 2009)

(Worth & Coates, 2009, p. 52)

Worth, J., & Coates, T.  (Eds.). (2009).  The midwife : A memoir of birth, joy, and hard times.  New York: Penguin Books.

Citing References in Text - Authors

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Page References

Citation information has been adapted from the APA Manual (6th Edition). Please refer to pages 176-177 of the APA Manual (6th Edition) for more information.

Helpful Tips

-If your reference list includes publications by two or more authors with the same last name, you should include the first initial in all in-text citations in order to help the reader avoid confusion.

-Be mindful of hyphenated names, particularly hyphenated first names in your reference list. If an author or editor has a hyphenated first name, include first initials for both separated by a hyphen. For example: Lamour, J.-B. for Jean-Baptiste Lamour.

-Suffixes like "Jr." or "III" are not included in in-text citations but are included in the reference list.

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How to Cite a Book in APA Style | Format & Examples

Published on November 14, 2019 by Jack Caulfield . Revised on July 4, 2022.

A book citation in APA Style always includes the author’s name, the publication year, the book title, and the publisher. Use the interactive tool to see examples.

Generate accurate APA citations with Scribbr

Table of contents, basic book citation format, ebooks and online books, citing a chapter from an edited book, multivolume books, where to find the information for an apa book citation, frequently asked questions about apa style citations.

The in-text citation for a book includes the author’s last name, the year, and (if relevant) a page number.

In the reference list , start with the author’s last name and initials, followed by the year. The book title is written in sentence case (only capitalize the first word and any proper nouns ). Include any other contributors (e.g. editors and translators) and the edition if specified (e.g. “2nd ed.”).

A citation of an ebook (i.e. a book accessed on an e-reader) or a book viewed online (e.g. on Google Books or in PDF form ) includes the DOI where available. If there is no DOI, link to the page where you viewed the book, or where the ebook can be purchased or accessed.

Since ebooks sometimes do not include page numbers, APA recommends using other methods of identifying a specific passage in your in-text citations—for example, a chapter or section title, or a paragraph number.

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apa cite 2 authors book

When citing a particular chapter from a book containing texts by various authors (e.g. a collection of essays), begin the citation with the author of the chapter and mention the book’s editor(s) later in the reference. A page range identifies the chapter’s location in the book.

Some books come in multiple volumes. You may want to cite the entire book if you’ve used multiple volumes, or just a single volume if that was all you used.

Citing a single volume

When citing from one volume of a multivolume book, the format varies slightly depending on whether each volume has a title or just a number.

If the volume has a specific title, this should be written as part of the title in your reference list entry.

Eliot, T. S. (2015). The poems of T. S. Eliot: Vol. 1. Collected and uncollected poems (C. Ricks & J. McCue, Eds.). Faber & Faber.

If the volume is only numbered, not titled, the volume number is not italicized and appears in parentheses after the title.

Dylan, B. (2005). Chronicles (Vol. 1) . Simon & Schuster.

Citing a multivolume book as a whole

When citing the whole book, mention the volumes in parentheses after the title. Individual volume titles are not included even if they do exist.

Eliot, T. S. (2015). The poems of T. S. Eliot (Vols. 1–2) (C. Ricks & J. McCue, Eds.). Faber & Faber.

All the information you need to cite a book can usually be found on the title and copyright pages.

APA book source info

The APA reference list entry for the book above would look like this:

Butler, C. (2002). Postmodernism: A very short introduction . Oxford University Press.

When a book’s chapters are written by different authors, you should cite the specific chapter you are referring to.

When all the chapters are written by the same author (or group of authors), you should usually cite the entire book, but some styles include exceptions to this.

The abbreviation “ et al. ” (meaning “and others”) is used to shorten APA in-text citations with three or more authors . Here’s how it works:

Only include the first author’s last name, followed by “et al.”, a comma and the year of publication, for example (Taylor et al., 2018).

In the 7th edition of the APA manual, no location information is required for publishers. The 6th edition previously required you to include the city and state where the publisher was located, but this is no longer the case.

If you’re citing from an edition other than the first (e.g. a 2nd edition or revised edition), the edition appears in the reference, abbreviated in parentheses after the book’s title (e.g. 2nd ed. or Rev. ed.).

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If you want to cite this source, you can copy and paste the citation or click the “Cite this Scribbr article” button to automatically add the citation to our free Citation Generator.

Caulfield, J. (2022, July 04). How to Cite a Book in APA Style | Format & Examples. Scribbr. Retrieved February 27, 2023, from https://www.scribbr.com/apa-examples/book/

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Cite a Book

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Don't let plagiarism errors spoil your paper

Citing books in apa, print books with one author:.

APA citation format:

Author Last name, First initial. Middle initial. (Year Published). Title of work . Publisher.

Moriarty, L. (2014). Big little lies . G. P. Putnam’s Sons.

Print books with two or more authors:

Last name, First initial. Middle initial., Last name, First initial. Middle initial., & Last name, First initial. Middle initial. (Date). Title . Publisher.

Goldin, C. D., & Katz, L. F. (2008). The race between education and technology . Belknap Press of Harvard University Press.

Matthews, G., Smith, Y., & Knowles, G. (2009). Disaster management in archives, libraries and museums . Ashgate.

Full versions of E-books:

E-books are generally read either on a website, on an e-reader, or on a database.

Author Last Name, First initial. Middle initial. (Year Published). Title of work . https://doi.org/xxxx or http://xxxx

Auster, P. (2007). The Brooklyn follies . http://www.barnesandnoble.com/

To cite your ebooks automatically, use the “Book” form at CitationMachine.com, click “Manual entry mode,” and click the “E-book” tab. Everything will be properly formatted following APA bibliography guidelines.

Featured links:

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Book/Ebook References

Use the same formats for both print books and ebooks. For ebooks, the format, platform, or device (e.g., Kindle) is not included in the reference.

This page contains reference examples for books, including the following:

1. Whole authored book

Jackson, L. M. (2019). The psychology of prejudice: From attitudes to social action (2nd ed.). American Psychological Association. https://doi.org/10.1037/0000168-000

Sapolsky, R. M. (2017). Behave: The biology of humans at our best and worst . Penguin Books.

Svendsen, S., & Løber, L. (2020). The big picture/Academic writing: The one-hour guide (3rd digital ed.). Hans Reitzel Forlag. https://thebigpicture-academicwriting.digi.hansreitzel.dk/

2. Whole edited book

Hygum, E., & Pedersen, P. M. (Eds.). (2010). Early childhood education: Values and practices in Denmark . Hans Reitzels Forlag. https://earlychildhoodeducation.digi.hansreitzel.dk/

Kesharwani, P. (Ed.). (2020). Nanotechnology based approaches for tuberculosis treatment . Academic Press.

Torino, G. C., Rivera, D. P., Capodilupo, C. M., Nadal, K. L., & Sue, D. W. (Eds.). (2019). Microaggression theory: Influence and implications . John Wiley & Sons. https://doi.org/10.1002/9781119466642

3. Republished book, with editor

Watson, J. B., & Rayner, R. (2013). Conditioned emotional reactions: The case of Little Albert (D. Webb, Ed.). CreateSpace Independent Publishing Platform. http://a.co/06Se6Na (Original work published 1920)

4. Book published with new foreword by another author

Kübler-Ross, E. (with Byock, I.). (2014). On death & dying: What the dying have to teach doctors, nurses, clergy & their own families (50th anniversary ed.). Scribner. (Original work published 1969)

5. Several volumes of a multivolume work

Harris, K. R., Graham, S., & Urdan T. (Eds.). (2012). APA educational psychology handbook (Vols. 1–3). American Psychological Association.

apa cite 2 authors book

This guidance has been revised from the 6th edition.

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Citing multiple authors in APA style

Published October 27, 2020. Updated August 25, 2021.

You will often encounter sources that have more than one individual author. For example, many academic journal articles have several authors.

For help writing your essay, research paper , or other project, check out these writing tips .

Citing two authors in APA

When referencing a source with two authors, the names of both authors are included in the both the in-text citation and reference list entry.

In-text citation template and examples:

(First author’s last name & Second author’s last name, Year published)

The discovery of the effect of radiation on the climate was astonishing (Smith & Montez, 2011).

Smith and Montez (2011) discovered the astonishing effect of radiation on the climate.

Reference list template and example (book):

First author’s last name, F., & Second author’s last name, F. (Year published). Title of the book. Publisher. DOI if available

Swan, A., & Stevens, N. (2004). De Kooning: An American master. Alfred A. Knopf.

Citing three to twenty authors in APA

For sources that have three to 20 authors, list only the last name of the first listed author in the in-text citation followed by “et al.” “Et al.” means “and others.”

Citation template and examples:

(First author’s last name et al., Year published)

(Jameson et al., 2018)

Jameson et al. (2018)

The reference list entry will still list all of the names of the authors in the last name, first initial format. The last author name should be preceded by an ampersand (&).

Reference list template (journal article):

First author’s last name, F., Next author’s last name, F., Next author’s last name, F., & Last author’s last name, F. (Year of publication). Title of the article: Subtitle of the article. Title of the journal, Volume (issue number) , page range. DOI or URL

Kalin, H., Binder, E., Brady, K., Lewis, D., Pine, D., Rodriguez, C., Trivedi, S., & Madhukar, H. (2020). The American Journal of Psychiatry’s commitment to combat racism, social injustice, and health care inequities. American Journal of Psychiatry, 158 (11), 179. https://doi.org/10.1176/appi.ajp.2020.20071051

Citing twenty-one or more authors in APA

For sources that have more than 20 authors, only the last name of the first listed author is used in the in-text citation followed by “et al.”

(Sakamoto et al., 2018)

In the reference list, the names of the first 19 authors are included, followed by a comma and ellipsis, and then the name of the last author (also formatted as last name, first initial).

Reference template (journal article):

Names of the first 19 authors formatted as Last Name, F., . . . Last author’s last name, F. (Year of publication). Title of the article: Subtitle of the article. Title of the Journal, Volume (issue number), page range. DOI or URL

Douard, E., Zeribi, A., Schramm, C., Tamer, P., Loum, M., Nowak, S., Zohra, L., Marie-Pier, T., Rodríguez-Herreros, B., Jean-Louis, M., Moreau, C., Loth, E., Schumann, G., Pausova, Z., Elsabbagh, M., Almasy, L., Glahn, D., Bourgeron, T., Labbe, A., . . . Jacquemont, S. (2020). Effect sizes of deletions and duplications on Autism risk across the genome. American Journal of Psychiatry, 14 (2), 33-41. https://doi.org/10.1176/appi.ajp.2020.19080834

APA Style Guides

APA Format: Annotated bibliography | Abstract | Block and direct quotes | Headings | Outline | Page Numbers | Sample paper | Title page

Citing Sources: In-text citations | Bibliography | Footnotes | Citing Multiple Authors | Citing Sources with No Authors | Using et al

APA Citation Generator: Article | Book | Image | Interview | Journal | Movie | PDF | Textbook | Website | YouTube

Published August 25, 2021.

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How to Reference Authors in APA Format

Kendra Cherry, MS, is an author and educational consultant focused on helping students learn about psychology.

apa cite 2 authors book

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apa cite 2 authors book

Two Authors

Three to 20 authors, more than 20 authors, frequently asked questions.

APA format establishes a number of clear rules for how to list reference works using author information. How you reference different sources varies depending on the number of authors to whom the source is attributed. For example, the way that you reference a single author will differ somewhat from how you reference a source with multiple authors.

Before you create a reference section for a psychology paper, it is important to know how to properly list books, articles, and other sources as well as in-text citations in APA format. The following guidelines can help you prepare a reference section for your APA format paper.

Articles and other works that do not provide an author attribution should begin with the title of the work . If the title is a book, list the title in italics. The volume number, issue number (if available), and page numbers should follow journal titles, while book titles should be followed by the publisher's name.

For example:

For in-text citations, or those referenced within the body of the text, you will also use the title, either in italics (for books) or in quotation marks (for articles). For example: Using proper APA format ("A student guide to APA format," 1997).

Works by a single author should list the author's last name and initials. The date of publication should be enclosed in parentheses and followed by the title of the article or book. Books and journal titles should be listed in italics. The volume number, issue number, and page numbers of the article should follow journal titles, while book titles should be followed by the name of the publisher.

One-author in-text citations should include the surname without any suffixes (Jr.) and the date of publication in parenthesis. For example: As Bandura (1997) mentions... or (Bandura, 1977). If you are citing different authors with the same last name, include the first initial: (A. Alper, 2004) and (B. Alper, 2005).

Works by two authors should list the last names and first initials separated by an ampersand (&). These names should be followed by the date of publication enclosed in parentheses.

If the work is a journal article, the title of the article should immediately follow the publication date. Next, the title of the book or journal should be listed in italics. If the reference is a journal article, provide the volume number, issue number, and page numbers. For books, list the name of the publisher.

In-text citations of works by two authors should include the surnames of both authors separated by the word "and" or by an ampersand if using parenthesis. For example: Studies by Buss and Pomin (1975) support... or (Buss & Pomin, 1975).

Works by three to 20 authors should list the last names and first initials of each author separated by an ampersand. Author names should be followed by the date of publication enclosed in parentheses.

If the work is a journal article, include the title of the article immediately following the publication date. The title of the book or journal should then be listed in italics. If the reference is a journal article, provide the volume number, issue number, and page numbers. For books, list the name of the publisher.

In-text citations for works by three or more authors should list the first author's name, followed by "et al." in every citation. For example: Alper, et al. (1995) supports...or (Alper, et al, 1995).

However, if you are citing multiple works by similar groups of authors, you may need to include multiple names to avoid confusion. For example: Alper, Schloss, Etscheidt, et al. (1995) discovered...or (Alper, Schloss, Etscheidt, et al., 1995).

When a work is credited to more than 20 authors, the reference is listed by providing the names of the first 19 authors followed by . . . and then the final author. The remainder of the reference follows the same format as that for 20 or fewer authors.

Author last names and initials are followed by the date of publication enclosed in parentheses. The name of the article is listed immediately after the publication date. The title of the journal or the book title should be provided in italics. The volume number, issue number, and page number should follow journal titles, while book titles should be followed by the publisher's name.

In-text citations should list the first author's name, followed by "et al." in every citation. You can read more about a few different aspects of referencing sources in APA format if you have book references , article references , and electronic sources .

How do I cite a website with no author in APA format?

If a website has no author, cite the title (or first few words of the reference list entry) followed by the year. APA website citations will also include the website name and URL.

How do I cite a publication with no author in APA format?

If there's no author, the title of the work is listed first followed by the volume number, issue number (if available), and page numbers. If it's a book, the title should be in italics and followed by the publisher's name.

How do I cite an author with two last names?

Works by an author with two last names should list both names. If the name is hyphenated, include both names and the hyphen.

American Psychological Association.  Publication Manual of the American Psychological Association  (7th ed.). Washington DC: The American Psychological Association; 2019.

Purdue Online Writing Lab. In-text citations: Author/authors .

Purdue Online Writing Lab. Reference list: Author/authors .

By Kendra Cherry Kendra Cherry, MS, is an author and educational consultant focused on helping students learn about psychology.

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Apa 7 Book Citation Multiple Authors / Cite In Apa Format For Me Free Free Apa 6 Apa 7 Citation Generator Updated For 2020 / An apa reference has two parts:

Apa 7 Book Citation Multiple Authors / Cite In Apa Format For Me Free Free Apa 6 Apa 7 Citation Generator Updated For 2020 / An apa reference has two parts: . This format applies to most kinds of references with very few exceptions. So your chapter citation should look like this. Imagenes de apa journal citation multiple authors in text. Citing multiple works in one parentheses: You will see in the purdue owl that you should only list seven authors.

Author last name, first initial, middle initial. If you are citing a source that has multiple authors, follow these basic steps. Previously, for apa 6, in the location part, it was necessary to list both city and the state of. Collection of solutions best ideas of apa format citation book. Apa print book citation for two authors shirley.

The Ultimate Apa Style And Citation Quiz Proprofs Quiz

Start citing books, websites, journals, and more with the citation machine® apa citation generator.

When citing multiple works parenthetically, place the citations in alphabetical order, separating citing multiple works is covered in sections 8.12 of the apa publication manual, seventh edition. In this case, your citation will be alphabetized by the book chapter's author, or by the book chapter title what if i have multiple editors with multiple chapter authors? Easy apa citation rules for books. Apa 7th edition quick reference guide. On an apa reference page, corporate authors are always written out in full. Collection of solutions best ideas of apa format citation book. An apa reference has two parts: Capitalize the first letter of the first word of the title and any subtitles, as well as the first letter. Apa book citations follow a basic, standard format. I understand how to do the multiple authors. Separate multiple pieces of information with commas. Apa style dictates that each resource referenced in a paper must have a citation, regardless if a resource is a direct quote, paraphrase, or summary. If these works are by the same author, the surname is stated once followed by the dates articles differ from book citations in that the publisher and publisher location are not included.

Separate multiple pieces of information with commas. Apa 7 book citation generatorshow all. Citefast is a free apa, mla and chicago citation generator. Capitalize the first letter of the first word of the title and any subtitles, as well as the first letter. The author's last name and the publication date are reference citation example:

How Many Names To Include In An Apa Style Reference

Doing an apa in text citation with multiple authors?

The default citation style is now apa 7. So your chapter citation should look like this. Three or more authors, can use first author et al. Separate multiple pieces of information with commas. Apa 7 notes that published authors paraphrase their sources most of the time, rather than directly quoting (p. Previously, for apa 6, in the location part, it was necessary to list both city and the state of. Reference citation a bit different than the. If you are citing a source that has multiple authors, follow these basic steps. This page reflects the latest version of the apa publication manual (i.e., apa 7), which released in october 2019. Use commas to separate multiple authors. You will see in the purdue owl that you should only list seven authors. Citing multiple authors within one citation (8.12). Complete guide to apa (america psychological association) citation.

So your chapter citation should look like this. When citing multiple works parenthetically, place the citations in alphabetical order, separating citing multiple works is covered in sections 8.12 of the apa publication manual, seventh edition. The year can be omitted from a citation only when multiple narrative citations to a work appear within a single paragraph. This format applies to most kinds of references with very few exceptions. Apa 7th edition quick reference guide.

Citing Multiple Sources In Apa With The Same Author Bibliography Com

General format when citing a book apa is:

Apa 7 format does not require specifying location. Coordinating lead author, lead authors, contributing authors and review editors. Start citing books, websites, journals, and more with the citation machine® apa citation generator. Put the author's last name in the parenthetical citation if you omit it in the quote intro. In this case, your citation will be alphabetized by the book chapter's author, or by the book chapter title what if i have multiple editors with multiple chapter authors? To use apa 6 ensure that the apa 6 button is selected. Citing multiple authors within one citation (8.12). So, which ones do i include? An apa reference has two parts: You will see in the purdue owl that you should only list seven authors. Use commas to separate multiple authors. Several studies corroborate this authors with multiple works (8.19). Alternatively, if you are looking for our apa 7th edition citation tool then click on the button below

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APA Format & Citation Style, 7th edition

About Citing Books

For each type of source in this guide, both the general form and an example will be provided.

The following format will be used:

In-Text Citation (Paraphrase) - entry that appears in the body of your paper when you express the ideas of a researcher or author using your own words.  For more tips on paraphrasing check out The OWL at Purdue .

In-Text Citation (Quotation) - entry that appears in the body of your paper after a direct quote.

References - entry that appears at the end of your paper.

Information on citing and several of the examples were drawn from the Publication Manual of the American Psychological Association (7th ed.).

Book with Two Authors or Editors

The general format below refers to a book with two authors.

If you are dealing with two editors instead of two authors, you would simply insert the names of the editors into the place where the authors' names are now, followed by "(Eds.)" without the quotation marks (see the Example). The rest of the format would remain the same.

General Format

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APA Citation Style, 7th edition: Journal Article with 2 Authors

Digital Object Identifier (DOI)

What is a DOI? A DOI ( digital object identifier ) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the internet. 

NOTE: It is regarded as the most important part of the citation because it will accurately direct users to the specific article.

Think of it as a "digital fingerprint" or an article's DNA!

The rules for DOIs have been updated in the 7th edition of the Publication Manual of the American Psychological Association. They should be included as URLs, rather than just the alphanumeric string.

Correct:  

Incorrect:     

Journal Article with Two Authors (p. 198)

Helpful Tips:                 

DOI: If a journal article has a Digital Object Identifier (DOI) listed, you will always include this identifier in your reference as a URL.

Online Database: For works from databases that publish works of limited circulation (such as the ERIC database) or original, proprietary material available only in that database (such as UpToDate), include the name of the database or archive and the URL of the work. If the URL requires a login or is session specific, meaning it will not resolve for readers, provide the URL of the database or specific archive home page or login page instead of the URL for the work.

Print: If you viewed a journal article in its print format , be sure to check if it has a DOI listed. If it does not, your reference to the article would end after you provide the page range of the article.

Date: When possible, include the year, month, and date in references. If the month and date are not available, use the year of publication.

General Format 

ePub Ahead of Print

ePub Ahead of Print  articles, also labeled  Advanced Online Publication  articles, may not have a volume number, issue number, or page numbers assigned to them. If you cannot find a fully published version of the article that includes this information, you can cite the article as an advanced online publication, noting its status where you would usually include the volume, issue, and page numbers. If possible, update your reference to the final version of the source when it becomes available.

References:

Muldoon, K., Towse, J., Simms, V., Perra, O., & Menzies, V. (2012). A longitudinal analysis of estimation, counting skills, and mathematical ability across the first school year.  Developmental Psychology . Advance online publication.  https://doi.org/10.1037/a0028240

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APA 6th Edition: Two Authors or Editors

APA Citations

In APA Style, there are two elements needed to properly cite each of your sources:

The reference list entry - information about the article that appears at the end of your paper in the list of references

The in-text citation - brief information that appears in the body of your paper to indicate a direct quote or paraphrase.

Several of the examples in this guide were drawn from the APA Manual (6th ed.). 

Numbers in parentheses refer to specific pages in the APA Manual (6th ed.). 

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Book with Two Authors or Editors (p. 202)

How to find the place of publication.

The place of publication is the name of the city where the publisher is located (p. 186).  The place can be found on the title page or verso (back) of the title page. Use the first city listed or the city where the publisher's headquarters is located.

See this example to help you locate a book's place of publication, publisher name, and other info required for an APA citation.

How to Cite Books in APA

Citations for books have four main parts: author, date, title, and publication information (place of publication and publisher). Each part ends in a period followed by a space.

Book by one author

Books with two or more authors

One selection from an edited book

Provide full reference information for each selection cited from a collection, using In to show the larger work from which the selection is taken. (The abbreviation for one editor is Ed.)

Unknown author

Begin with the title. Alphabetize the entry by the first word of the title other than a, an , or the.

The information written on this page has been excerpted from the handbook: Troyaka, L. Q. (1998). Quick Access: Reference for Writers . (2nd ed.). Upper Saddle River, Prentice Hall. American Psychological Association. (2001). Publication Manual of the American Psychological Association . (5th ed.). Washington, DC: American Psychological Association. Updated January 28, 2005 by Renee Brown

How to Cite Books with Multiple Authors

Last Updated: December 26, 2022 References

This article was co-authored by wikiHow staff writer, Jennifer Mueller, JD . Jennifer Mueller is a wikiHow Content Creator. She specializes in reviewing, fact-checking, and evaluating wikiHow's content to ensure thoroughness and accuracy. Jennifer holds a JD from Indiana University Maurer School of Law in 2006. There are 11 references cited in this article, which can be found at the bottom of the page. This article has been viewed 15,908 times. Learn more...

If you're writing a research paper, you'll likely use books that have several authors. Generally, all authors listed on the title page should be included in your full reference. However, this can take up a lot of space, both in your list of references and when you cite the book in the text of your paper. Citation guides allow you to shorten long lists of authors in some instances, but the format differs depending on whether you're using the Modern Language Association (MLA), American Psychological Association (APA), or Chicago style.

Image titled Cite Books with Multiple Authors Step 1

Image titled Cite Books with Multiple Authors Step 2

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Image titled Cite Books with Multiple Authors Step 4

MLA Works Cited Format

LastName, FirstName, et al. Title of the Book in Title Case. Publisher, Year.

Image titled Cite Books with Multiple Authors Step 5

Image titled Cite Books with Multiple Authors Step 6

Image titled Cite Books with Multiple Authors Step 7

Image titled Cite Books with Multiple Authors Step 8

Image titled Cite Books with Multiple Authors Step 9

APA Reference List Format

LastName, FirstInitial. MiddleInitial., LastName, FirstInitial. MiddleInitial., LastName, FirstInitial. MiddleInitial., LastName, FirstInitial. MiddleInitial., & LastName, FirstInitial. MiddleInitial. (Year). Title of book in sentence case . Publisher.

Image titled Cite Books with Multiple Authors Step 10

Image titled Cite Books with Multiple Authors Step 11

Tip: If you're using "et al." and have two or more sources with exactly the same in-text citation, add the next author's name until the citations are distinct.

Image titled Cite Books with Multiple Authors Step 12

Image titled Cite Books with Multiple Authors Step 13

Image titled Cite Books with Multiple Authors Step 14

Image titled Cite Books with Multiple Authors Step 15

Chicago Bibliography Format

LastName, FirstName, FirstName LastName, FirstName LastName, FirstName LastName, and FirstName LastName. Title of Book in Title Case . Location: Publisher, Year.

Image titled Cite Books with Multiple Authors Step 16

Image titled Cite Books with Multiple Authors Step 17

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How to Cite a Book in APA Format

Jennifer Calonia

To cite a book in APA format in a list of references for a research paper or other piece of academic writing , you’ll need to include certain information. For a standard book citation, include the author’s (or authors’) last name(s) and first initial(s), the publication date, the title of the book in sentence case, and the publisher’s name. 

If the work has a URL or Digital Object Identifier (DOI), this should also be included in the citation. A DOI is a unique alphanumeric series that’s assigned to a particular work. It’s typically associated with ebooks, but it might also be available for newer books. 

Common exceptions to the conventional APA book citation format arise in classical and religious works where there is no known publication date. Give your writing extra polish Grammarly helps you communicate confidently Write with Grammarly

How to cite a book in APA format

Works cited page format.

Below is an example of how an authored book would be accurately cited in APA format on a reference page:

Cialdini, R. (2021). Influence: The psychology of persuasion . Harper Business. 

The citation begins with the author’s last name, a comma separates the initial of the author’s first name, and a period follows. Parentheses surround the publication date, which is followed by a period. Then comes the book title, which is italicized, written in sentence case, and followed by a period. Finally, the publisher’s name is included, and the APA book citation concludes with a period . 

In-text parenthetical citation format

When referencing a book as an in-text parenthetical citation, include the author’s last name and the publication date, separated by a comma. These details should be enclosed in parentheses. Below is an example of a parenthetical citation using the authored book mentioned above: 

(Cialdini, 2021)

In-text narrative citation format

When citing a book in APA format as part of the in-text narrative, use the author’s last name followed by the publication date in parentheses:

Cialdini (2021)

Here’s a tip: Grammarly’s  Citation Generator  ensures your essays have flawless citations and no plagiarism. Try it for tricky APA citations like book covers , multivolume works , and plays .

How to cite an e-book in APA format

The APA citation for an e-book that has a URL or DOI follows a similar format as a standard book citation. The main distinction is the inclusion of its DOI or URL, which is formatted as an active link. This is placed after the publisher’s name. 

How to cite a textbook in APA format

A textbook citation in APA format may look a bit different compared to a standard book citation because a textbook is more likely to have multiple authors or book editors. Below is an example of how to cite a textbook on your reference page:

When citing multiple authors for a textbook, follow the order of the authors shown in the textbook. For each author, include the same author format as a standard book citation, but use a comma to separate each name. Include an ampersand before the surname of the last author. Follow the author(s) with the publication date and italicized book title in sentence case. If the text you’re citing is a particular edition, note it in italics after the title and enclosed in parentheses. Finish the APA-format textbook citation with the publisher’s name.

In-text citations

Below are examples of how to cite textbooks with multiple authors in APA format as a parenthetical citation and a narrative citation. 

Parenthetical

For two authors, use the last names of both authors, separated by an ampersand. Then follow the names with a comma and the publication date.

(Marieb & Keller, 2018)

If the textbook has three or more authors, use only the first author’s last name followed by “et al.” and the publication date. If the textbook in this example had more than two authors, the citation would look like this:

(Marieb et al., 2018)

For an in-text narrative citation of a textbook featuring multiple authors, use the following APA format:

The insight by Marieb & Keller (2018) explains  . . .

In the example above, the two authors’ last names are included in-text and are separated by an ampersand. The publication date follows in parentheses.

Textbooks that have three or more authors can be cited in-text using the first author’s last name followed by “et al.” and the publication date in parentheses:

Marieb et al. (2018) 

How to cite the Bible in APA format

There are APA format rules for citing scriptures and other religious texts. As the Bible is a commonly cited text in academic writing, we’ve provided specific guidance and examples for it below. 

Classical religious works, such as the Bible, might seem tricky to cite since they’re missing key elements, such as an author. You’ll also need to include the Bible version you’re referencing as its title, the date it was reprinted as its publication date, and a URL if you’re citing a digital source. Below is an example of how to cite the Bible in APA format.

In this version of the Bible, Gustave Doré is credited as the illustrator, so the illustrator’s name is included in the same format as an author’s name. The citation ends with “Original work published in [DATE]” followed by a period and the URL source.

In a parenthetical APA-format citation, reference the Bible as follows: 

( The Holy Bible: King James Version , 1611/2018)

In parentheses, start with the Bible version in italics, and place a comma after it. Then include the original publication date, a slash, and the date it was republished.

For an in-text narrative citation in APA format, italicize the Bible version. Follow it with the publication and republication dates, separated by a slash, in parentheses. 

The Holy Bible: King James Version (1611/2018)

Read More: Use Grammarly’s Plagiarism Checker to ensure your writing is original

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  6. How to Cite Using APA Style (6th ed.): Books

COMMENTS

  1. APA Citation Style, 7th edition: Two Authors or Editors

    Book with Two Authors or Editors The general format below refers to a book with two authors. If you are dealing with two editors instead of two authors, you would simply insert the names of the editors into the place where the authors' names are now, followed by " (Eds.)" without the quotation marks (see the Example).

  2. APA Citation Style, 7th Edition: Two Authors/Editors

    APA Citation Style, 7th Edition: Two Authors/Editors Book with Two Authors *The DOI of a book (found in some books published 2018 & forward) can be found on the copyright page of printed & ebooks. Examples: References: Thanavaro, J., & Moore, K. S. (2017). Clinical decision making for adult-gerontology primary care nurse practitioners.

  3. Reference List: Author/Authors

    References that have the same first author and different second and/or third authors are arranged alphabetically by the last name of the second author, or the last name of the third if the first and second authors are the same. Arriaga, X. B., Capezza, N. M., Reed, J. T., Wesselman, E. D., & Williams, K. D. (2014).

  4. APA In-Text Citations (7th Ed.)

    APA in-text citations with multiple authors If a work has two authors, separate their names with an ampersand (&) in a parenthetical citation or "and" in a narrative citation. If there are three or more authors, only include the first author's last name followed by "et al.", meaning "and others".

  5. How to cite in APA when there are multiple authors

    Two authors For a work with two authors, include both authors' last names in every in-text citation, whether narrative or parenthetical. In parenthetical citations, use an ampersand (&) between the authors' last names. Parenthetical citation for two authors: (1st Author & 2nd Author, Year Published) (Curtis & Williams, 2020)

  6. In-Text Citations: Author/Authors

    Citing Non-Standard Author Categories A Work by Two Authors Name both authors in the signal phrase or in parentheses each time you cite the work. Use the word "and" between the authors' names within the text and use the ampersand in parentheses. Research by Wegener and Petty (1994) supports... (Wegener & Petty, 1994) A Work by Three or More Authors

  7. APA Citation Style, 6th Edition: Two Authors/Editors

    Book with Two Authors (THIS Libguide IS FOR APA 6th edition, click here to visit our new APA 7th edition Libguide) The formatting guidelines below refer to books with two authors. General Format: In-Text Citation (Paraphrase): (Author's Last Name & Author's Last Name, year) In-Text Citation (Direct Quote):

  8. How to Cite a Book in APA Style

    The in-text citation for a book includes the author's last name, the year, and (if relevant) a page number. In the reference list, start with the author's last name and initials, followed by the year. The book title is written in sentence case (only capitalize the first word and any proper nouns ).

  9. Citing a Book in APA

    Citing books in APA Print books with one author: APA citation format: Author Last name, First initial. Middle initial. (Year Published). Title of work.

  10. Author-date citation system

    Use the author-date citation system to cite references in the text in APA Style. In this system, each work used in a paper has two parts: an in-text citation and a corresponding reference list entry. In-text citations may be parenthetical or narrative. In parenthetical citations, use an ampersand (&) between names for a work with two authors ...

  11. Book/ebook references

    Provide the author, year of publication, title, and publisher of the book. Use the same format for both print books and ebooks. Use the copyright date shown on the book's copyright page as the year of publication in the reference, even if the copyright date is different than the release date.

  12. 4 Ways to Cite Multiple Authors in APA

    Cite Multiple Authors in APA Template Method 1 Citing 2 to 6 Authors 1 List all authors by last name and first and middle initials. Generally, if a work has multiple authors you must list all of their names in the citation entry on your reference list.

  13. Citing multiple authors in APA style

    Citing two authors in APA When referencing a source with two authors, the names of both authors are included in the both the in-text citation and reference list entry. In-text citation template and examples: (First author's last name & Second author's last name, Year published)

  14. Reference Single and Multiple Authors in APA Format

    Two Authors Works by two authors should list the last names and first initials separated by an ampersand (&). These names should be followed by the date of publication enclosed in parentheses. If the work is a journal article, the title of the article should immediately follow the publication date.

  15. Apa 7 Book Citation Multiple Authors / Cite In Apa Format For Me Free

    Author last name, first initial, middle initial. If you are citing a source that has multiple authors, follow these basic steps. Previously, for apa 6, in the location part, it was necessary to list both city and the state of. Collection of solutions best ideas of apa format citation book. Apa print book citation for two authors shirley.

  16. Two Authors or Editors

    If you are dealing with two editors instead of two authors, you would simply insert the names of the editors into the place where the authors' names are now, followed by "(Eds.)" without the quotation marks (see the Example). The rest of the format would remain the same. General Format. In-Text Citation (Paraphrase): (Author Surname & Author ...

  17. APA Citation Style, 7th edition: Journal Article with 2 Authors

    APA Citation Style, 7th edition: Journal Article with 2 Authors Digital Object Identifier (DOI) What is a DOI? A DOI ( digital object identifier) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the internet.

  18. Research Guides: APA 6th Edition: Two Authors or Editors

    In APA Style, there are two elements needed to properly cite each of your sources:. The reference list entry - information about the article that appears at the end of your paper in the list of references The in-text citation - brief information that appears in the body of your paper to indicate a direct quote or paraphrase. Several of the examples in this guide were drawn from the APA Manual ...

  19. How to Cite Books in APA

    How to Cite Books in APA Citations for books have four main parts: author, date, title, and publication information (place of publication and publisher). Each part ends in a period followed by a space. Book by one author Welty, E. (1994). One Writer's Beginnings. Cambridge: Harvard University Press. Books with two or more authors

  20. 3 Ways to Cite Books with Multiple Authors

    Include both author's names in-text if the book has two authors. APA in-text citation follows the author-date format. If the book has 2 authors, include both of their last names. In a parenthetical citation at the end of a sentence, place an ampersand between the two last names.

  21. How to Cite a Book in APA Format, with Examples

    A textbook citation in APA format may look a bit different compared to a standard book citation because a textbook is more likely to have multiple authors or book editors. Below is an example of how to cite a textbook on your reference page: Marieb, E., & Keller, S. (2018). Essentials of human anatomy & physiology (12th ed.). Pearson.