Παραπομπή APA

Thorpe, W. (1963). Learning and instinct in animals (2nd ed.). Methuen.

Παραπομπή Chicago Style

Thorpe, W.H. Learning and Instinct in Animals. 2nd ed. London: Methuen, 1963.

Παραπομπή MLA

Thorpe, W.H. Learning and Instinct in Animals. 2nd ed. Methuen, 1963.