APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1938). Report of chief of Bureau of Biological Survey, [fiscal year] 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Report of Chief of Bureau of Biological Survey, [fiscal Year] 1939. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Report of Chief of Bureau of Biological Survey, [fiscal Year] 1939. [s.n.], 1938.

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