Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Klopfer, Peter H. Behavioral Aspects of Ecology. Englewood Cliffs, NJ: Prentice-Hall, 1962.

Cita MLA (9th ed.)

Klopfer, Peter H. Behavioral Aspects of Ecology. Prentice-Hall, 1962.