Παραπομπή APA

Klopfer, P. H. (1964). Behavioral aspects of ecology. Prentice-Hall.

Παραπομπή Chicago Style

Klopfer, Peter H. Behavioral Aspects of Ecology. New Delhi: Prentice-Hall, 1964.

Παραπομπή MLA

Klopfer, Peter H. Behavioral Aspects of Ecology. Prentice-Hall, 1964.