APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (2000). Patuxent Research Refuge. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Patuxent Research Refuge. [Washington, D.C.]: U.S. Fish and Wildlife Service, 2000.

MLA (8th ed.) Citation

U.S. Fish and Wildlife Service. Patuxent Research Refuge. U.S. Fish and Wildlife Service, 2000.

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