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.
Precaución: Estas citas no son 100% exactas.