APA (7th ed.) Zitazioa

Wiens, J. A. (1989). The ecology of bird communities. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Wiens, John A. The Ecology of Bird Communities. New York: Cambridge University Press, 1989.

MLA (9th ed.) Zitazioa

Wiens, John A. The Ecology of Bird Communities. Cambridge University Press, 1989.