APA (7th ed.) Citation

Hamel, P. B. (2000). Cerulean warbler: Status assessment. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

Hamel, Paul B. Cerulean Warbler: Status Assessment. [Fort Snelling, Minn.]: U.S. Fish and Wildlife Service, 2000.

MLA (9th ed.) Citation

Hamel, Paul B. Cerulean Warbler: Status Assessment. U.S. Fish and Wildlife Service, 2000.