APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1940). Regulations Relating to Migratory Birds and Certain Game Mammals: 1940. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Regulations Relating to Migratory Birds and Certain Game Mammals: 1940. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Regulations Relating to Migratory Birds and Certain Game Mammals: 1940. [s.n.], 1940.