Cita APA (7th ed.)

Unwin, M. (2011). The Atlas of Birds: Diversity, Behavior, and Conservation. Princeton University Press.

Cita Chicago (17th ed.)

Unwin, Mike. The Atlas of Birds: Diversity, Behavior, and Conservation. Princeton ; N.J: Princeton University Press, 2011.

Cita MLA (8th ed.)

Unwin, Mike. The Atlas of Birds: Diversity, Behavior, and Conservation. Princeton University Press, 2011.