APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1931). Report of chief of Bureau of Biological Survey. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Report of Chief of Bureau of Biological Survey. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Report of Chief of Bureau of Biological Survey. GPO, 1931.

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