United States. Soil Conservation Service. (1988). Skunk River basin study, Iowa: Watershed inventory. U.S. Dept. of Agriculture, Soil Conservation Service.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service. Skunk River Basin Study, Iowa: Watershed Inventory. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1988.
MLA (9th ed.) CitationUnited States. Soil Conservation Service. Skunk River Basin Study, Iowa: Watershed Inventory. U.S. Dept. of Agriculture, Soil Conservation Service, 1988.
Warning: These citations may not always be 100% accurate.