APA (7th ed.) Citation

Clower, D. F. (1981). Soil survey of Callahan County, Texas. U.S. Dept. of Agriculture, Soil Conservation Service.

Chicago Style (17th ed.) Citation

Clower, Dennis F. Soil Survey of Callahan County, Texas. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1981.

MLA (9th ed.) Citation

Clower, Dennis F. Soil Survey of Callahan County, Texas. U.S. Dept. of Agriculture, Soil Conservation Service, 1981.