Cita APA (7th ed.)

Gelfand, H., & Walker, C. J. (2002). Mastering APA Style: Instructor's resource guide. American Psychological Association.

Cita Chicago (17th ed.)

Gelfand, Harold, i Charles J. Walker. Mastering APA Style: Instructor's Resource Guide. Washington, D.C: American Psychological Association, 2002.

Cita MLA (9th ed.)

Gelfand, Harold, i Charles J. Walker. Mastering APA Style: Instructor's Resource Guide. American Psychological Association, 2002.