Citazione Stile APA (7a Edizione)

Crooks, R. L. (1991). Psychology: Science, behavior, and life (2nd ed.). Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Crooks, Robert L. Psychology: Science, Behavior, and Life. 2nd ed. Chicago: Holt, Rinehart and Winston, 1991.

Citatione MLA (9a ed.)

Crooks, Robert L. Psychology: Science, Behavior, and Life. 2nd ed. Holt, Rinehart and Winston, 1991.