APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1991). Wildlife at Rocky Mountain Arsenal. [U.S. Fish and Wildlife Service].

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Wildlife at Rocky Mountain Arsenal. [Washington, D.C.?]: [U.S. Fish and Wildlife Service], 1991.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Wildlife at Rocky Mountain Arsenal. [U.S. Fish and Wildlife Service], 1991.