Rogers, C. A., & Risinger, W. M. (1979). Soil survey of Knox County, Texas. [National Cooperative Soil Survey].
Chicago Style (17th ed.) CitationRogers, Colletus A., and William M. Risinger. Soil Survey of Knox County, Texas. [Washington?]: [National Cooperative Soil Survey], 1979.
MLA (9th ed.) CitationRogers, Colletus A., and William M. Risinger. Soil Survey of Knox County, Texas. [National Cooperative Soil Survey], 1979.
Warning: These citations may not always be 100% accurate.