Butler, E. R. (1990). Soil survey of Carter County, Missouri, northern and eastern parts. U.S. Dept. of Agriculture, Soil Conservation Service.
Chicago Style (17th ed.) CitationButler, E. Rex. Soil Survey of Carter County, Missouri, Northern and Eastern Parts. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1990.
MLA (9th ed.) CitationButler, E. Rex. Soil Survey of Carter County, Missouri, Northern and Eastern Parts. U.S. Dept. of Agriculture, Soil Conservation Service, 1990.
Warning: These citations may not always be 100% accurate.