APA (7th ed.) Citation

Cannings, R. J., & Angell, T. (2001). Western screech-owl: Otus kennicottii. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Cannings, Richard J., and Tony Angell. Western Screech-owl: Otus Kennicottii. Philadelphia, Pa.: Birds of North America, Inc., 2001.

MLA (9th ed.) Citation

Cannings, Richard J., and Tony Angell. Western Screech-owl: Otus Kennicottii. Birds of North America, Inc., 2001.