APA (7th ed.) Citation

American Psychological Association, Knapp, S., Gottlieb, M. C., Handelsman, M. M., & VandeCreek, L. (2012). APA handbook of ethics in psychology. American Psychological Association.

Chicago Style (17th ed.) Citation

American Psychological Association, Samuel Knapp, Michael C. Gottlieb, Mitchell M. Handelsman, and Leon VandeCreek. APA Handbook of Ethics in Psychology. Washington, D.C.: American Psychological Association, 2012.

MLA (9th ed.) Citation

American Psychological Association, et al. APA Handbook of Ethics in Psychology. American Psychological Association, 2012.