Παραπομπή APA

Klopfer, P. H. (1962). Behavioral aspects of ecology. Prentice hall.

Παραπομπή Chicago Style

Klopfer, Peter H. Behavioral Aspects of Ecology. New jersey: Prentice hall, 1962.

Παραπομπή MLA

Klopfer, Peter H. Behavioral Aspects of Ecology. Prentice hall, 1962.