Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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