APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (2007). Bike map: Blackwater National Wildlife Refuge. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Bike Map: Blackwater National Wildlife Refuge. [Washington, D.C.]: U.S. Fish and Wildlife Service, 2007.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Bike Map: Blackwater National Wildlife Refuge. U.S. Fish and Wildlife Service, 2007.