U.S. Fish and Wildlife Service. (2003). Waterfowl breeding population survey for South Dakota and North Dakota. U.S. Fish & Wildlife Service.
Chicago Style (17th ed.) CitationU.S. Fish and Wildlife Service. Waterfowl Breeding Population Survey for South Dakota and North Dakota. [Washington, D.C.?]: U.S. Fish & Wildlife Service, 2003.
MLA (9th ed.) CitationU.S. Fish and Wildlife Service. Waterfowl Breeding Population Survey for South Dakota and North Dakota. U.S. Fish & Wildlife Service, 2003.
Warning: These citations may not always be 100% accurate.