APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1999). St. Marks National Wildlife Refuge. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. St. Marks National Wildlife Refuge. [Washington, D.C.]: U.S. Fish and Wildlife Service, 1999.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. St. Marks National Wildlife Refuge. U.S. Fish and Wildlife Service, 1999.