Citazione Stile APA (7a Edizione)

Klopfer, P. H. (1973). Behavioral aspects of ecology (2nd edition.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Klopfer, Peter H. Behavioral Aspects of Ecology. 2nd edition. New Jersey: Prentice-Hall, 1973.

Citatione MLA (9a ed.)

Klopfer, Peter H. Behavioral Aspects of Ecology. 2nd edition. Prentice-Hall, 1973.