Cita APA (7th ed.)

Weiten, W., & Halpern, D. F. (2001). Psychology: Themes and variations (5th ed.). Wadsworth Thomson Learning.

Cita Chicago (17th ed.)

Weiten, Wayne, i Diane F. Halpern. Psychology: Themes and Variations. 5th ed. Belmont, CA: Wadsworth Thomson Learning, 2001.

Cita MLA (9th ed.)

Weiten, Wayne, i Diane F. Halpern. Psychology: Themes and Variations. 5th ed. Wadsworth Thomson Learning, 2001.