APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1912). Food of our more important flycatchers. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Food of Our More Important Flycatchers. [Washington]: GPO, 1912.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Food of Our More Important Flycatchers. GPO, 1912.

Warning: These citations may not always be 100% accurate.