APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1937). The waterfowl situation, 1936-37. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. The Waterfowl Situation, 1936-37. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. The Waterfowl Situation, 1936-37. [s.n.], 1937.

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