APA Edition Citation

Klopfer, P. H. (1974). Introduction to animal behaviour: Ethology's first century (2.).

Chicago Edition Citation

Klopfer, Peter H. Introduction to Animal Behaviour: Ethology's First Century. 2. Prentice-Hall of India Pvt. Ltd., New Jersey, 1974.

MLA Edition Citation

Klopfer, Peter H. Introduction to Animal Behaviour: Ethology's First Century. 2. 1974.