Παραπομπή APA

Woodworth, R. S., & Marquis, D. G. (1949). Psychology: A Study of Mental Life (20th ed.). Methuen.

Παραπομπή Chicago Style

Woodworth, Robert S., και Donald G. Marquis. Psychology: A Study of Mental Life. 20th ed. London: Methuen, 1949.

Παραπομπή MLA

Woodworth, Robert S., και Donald G. Marquis. Psychology: A Study of Mental Life. 20th ed. Methuen, 1949.