APA (7th ed.) Citation

United States. Bureau of Biological Survey. (1931). Migratory-Bird Treaty-Act regulations and text of Federal laws relating to game and birds. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Biological Survey. Migratory-Bird Treaty-Act Regulations and Text of Federal Laws Relating to Game and Birds. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Bureau of Biological Survey. Migratory-Bird Treaty-Act Regulations and Text of Federal Laws Relating to Game and Birds. GPO, 1931.

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