APA (7e ed.) Bronvermelding

Kagan, J., & Havemann, E. (1976). Psychology: An introduction (3d ed.). Harcourt Brace Jovanovich.

Chicago (17e ed.) Bronvermelding

Kagan, Jerome, en Ernest Havemann. Psychology: An Introduction. 3d ed. New York: Harcourt Brace Jovanovich, 1976.

MLA (8e ed.) Bronvermelding

Kagan, Jerome, en Ernest Havemann. Psychology: An Introduction. 3d ed. Harcourt Brace Jovanovich, 1976.