Cita APA (7th ed.)

Weiten, W., & Halpern, D. F. (2004). Psychology: Themes and variations (6th ed.). Thomson/Wadsworth.

Cita Chicago (17th ed.)

Weiten, Wayne, i Diane F. Halpern. Psychology: Themes and Variations. 6th ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2004.

Cita MLA (8th ed.)

Weiten, Wayne, i Diane F. Halpern. Psychology: Themes and Variations. 6th ed. Thomson/Wadsworth, 2004.