APA (7th ed.) Citation

Mowbray, T. B., Cooke, F., & Ganter, B. (2000). Snow goose: Chen caerulescens. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Mowbray, Thomas B., F. Cooke, and Barbara Ganter. Snow Goose: Chen Caerulescens. Philadelphia, PA: Birds of North America, Inc., 2000.

MLA (9th ed.) Citation

Mowbray, Thomas B., et al. Snow Goose: Chen Caerulescens. Birds of North America, Inc., 2000.