APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (2000). Arctic National Wildlife Refuge. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Arctic National Wildlife Refuge. [Washington, D.C.?]: U.S. Fish and Wildlife Service, 2000.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Arctic National Wildlife Refuge. U.S. Fish and Wildlife Service, 2000.

Warning: These citations may not always be 100% accurate.