Cita APA (7th ed.)
Bateson, P., & Klopfer, P. H. (1973). Perspectives in Ethology.
Cita Chicago (17th ed.)
Bateson, P.P.G, i Peter H. Klopfer. Perspectives in Ethology. 1973.
Cita MLA (9th ed.)
Bateson, P.P.G, i Peter H. Klopfer. Perspectives in Ethology. 1973.
Atenció: Aquestes cites poden no estar 100% correctes.