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APA References: Single and multiple authors

by Nancy Rosenbaum

Authors

Basics

In references to books and journal articles, list up to the first seven authors or editors.  Follow the same sequence as the published work.  Present the names of authors last name first, followed by initials.  Separate authors’ names by commas, and include an ampersand (&) between the name of the next-to-last author and the last author.  For more than seven authors, list the first six, insert a comma, then insert ellipses (three dots separated by periods “. . . ”) and the last author’s name.

First, F. O., Second, S. L., Third, Y. A., Fourth, E. G., Fifth, H. C., Sixth, E. A., . . . Tenth, O. K.

Sequence of Works

Single Authors

If your list of references includes multiple works by the same author of single-author works, list in reverse chronological order, oldest one first.

First, F. O. (1991). Name of article. Title of Journal, 4, 195-199. Retrieved from http://www.journalURL.com

First, F. O. (1992). Name of another article. Title of Journal, 2, 125-139. Retrieved from http://www.journalURL.com

First, F. O. (1993). Name of yet another article. Title of Journal, 7, 295-319. Retrieved from http://www.journalURL.com

Single and Multiple Authors

If your list of references includes works by the same author as both the only author of some works and the primary author of multiple-author works, list the single-author works first and then the multiple-author works in alphabetical order by name of the secondary author.

First, F. O. (1991). Name of article. Title of Journal, 4, 195-199. Retrieved from http://www.journalURL.com

First, F. O. (1992). Name of another article. Title of Journal, 2, 125-139. Retrieved from http://www.journalURL.com

First, F. O., & Second, S. L. (1982). Name of article. Title of Journal, 6(2), 14-19.

First, F. O., & Second, S. L. (1989). Name of another article. Title of Journal, 7, 514-522. doi:XXXX.XXX/XXXXXXXXX

Same Authors and Publication Dates

For works by the same author or authors published in the same year, append a lower-case letter to the date.

First, F. O. (1991a). Name of article. Title of Journal, 4, 195-199. Retrieved from http://www.journalURL.com

First, F. O. (1991b). Name of another article. Title of Journal, 6, 318-327. Retrieved from http://www.journalURL.com

Same Surname

For works by authors with the same surname (last name), list in alphabetical order by the first and middle initials.  Be sure to include the initials in ALL citations or discussions to these works—the year is not enough to distinguish them.

First, A. B. (1991). Name of article. Title of Journal, 4, 195-199. Retrieved from http://www.journalURL.com

First, C. D. (1992). Name of another article. Title of Journal, 6, 318-327. Retrieved from http://www.journalURL.com