United States. Bureau of Biological Survey. (1938). Laws and regulations for administration of national wildlife refuges. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Biological Survey. Laws and Regulations for Administration of National Wildlife Refuges. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Biological Survey. Laws and Regulations for Administration of National Wildlife Refuges. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.