Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Klopfer, Peter H. Behavioral Aspects of Ecology. 2a ed. Englewood Cliffs: Prentice-Hall, 1973.

Cita MLA (9a ed.)

Klopfer, Peter H. Behavioral Aspects of Ecology. 2a ed. Prentice-Hall, 1973.