United States. Bureau of Biological Survey. (1929). Migratory-Bird Treaty-Act regulations and text of Federal laws relating to game and birds. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Biological Survey. Migratory-Bird Treaty-Act Regulations and Text of Federal Laws Relating to Game and Birds. [Washington]: GPO, 1929.
MLA (9th ed.) CitationUnited States. Bureau of Biological Survey. Migratory-Bird Treaty-Act Regulations and Text of Federal Laws Relating to Game and Birds. GPO, 1929.
Warning: These citations may not always be 100% accurate.