United States. Soil Conservation Service. (1990). Soil survey of Cavalier County, North Dakota. U.S. Dept. of Agriculture, Soil Coonservation Service.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Soil Survey of Cavalier County, North Dakota. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Coonservation Service, 1990.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Soil Survey of Cavalier County, North Dakota. U.S. Dept. of Agriculture, Soil Coonservation Service, 1990.
Warning: These citations may not always be 100% accurate.