Cita APA (7th ed.)

Eibl-Eibesfeldt, I. (1975). Ethology, the biology of behavior (2nd ed.). Holt.

Cita Chicago (17th ed.)

Eibl-Eibesfeldt, Irenaus. Ethology, the Biology of Behavior. 2nd ed. New York: Holt, 1975.

Cita MLA (9th ed.)

Eibl-Eibesfeldt, Irenaus. Ethology, the Biology of Behavior. 2nd ed. Holt, 1975.