APA (7th ed.) Citation

Udvardy, M. D. F. (1977). The Audubon Society field guide to North American birds: Western region (A Chanticleer Press edition.). Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Udvardy, Miklos D. F. The Audubon Society Field Guide to North American Birds: Western Region. A Chanticleer Press edition. New York: Alfred A. Knopf, 1977.

MLA (9th ed.) Citation

Udvardy, Miklos D. F. The Audubon Society Field Guide to North American Birds: Western Region. A Chanticleer Press edition. Alfred A. Knopf, 1977.