APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1918). Revision of American flying squirrels. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Revision of American Flying Squirrels. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Revision of American Flying Squirrels. GPO, 1918.

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