APA 7 Style Guide
Authors – APA Reference List
One author
Last name first, followed by author initials.- Hime, J. R.
Two authors
List by their last names and initials, use the ampersand (&) instead of and.- Claman, H., & James, R.
Three to twenty authors
List by last names and initials, commas separate author names, while the last author name is preceded by an ampersand(&).- Hoeglan, D., Harnand, A., Chen, C. Q., Davidson, F., & Mosher-Straub, J.
More than twenty authors
When there are more than twenty authors, include the first nineteen authors' names followed by an ellipsis (. . .) and then the final author's name.
- Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Woollen, J., Zhu, Y., Chelliah, M., Ebisuzaki, W., Higgins, W., Janowiak, J., Mo, K. C., Ropelewski, C., Wang, J., Leetmaa, A., . . . Joseph, D.
Group Authors
Put name of organization at beginning of citation- American Psychological Association