Cita APA (7a ed.)

Tinbergen, N. 1. (1954). Bird Life. Oxford University Press.

Cita Chicago Style (17a ed.)

Tinbergen, Niko 1907. Bird Life. New York: Oxford University Press, 1954.

Cita MLA (9a ed.)

Tinbergen, Niko 1907. Bird Life. Oxford University Press, 1954.