APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1999). Crosscountry ski & snowshoe trails. [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service].

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Crosscountry Ski & Snowshoe Trails. [Washington, D.C.]: [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service], 1999.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Crosscountry Ski & Snowshoe Trails. [U.S. Dept. of the Interior, U.S. Fish and Wildlife Service], 1999.