APA (7th ed.) Citation

Leeper, R. A. (2004). Soil survey of Madison County, Illinois. U.S. Dept. of Agriculture, Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Leeper, Randall A. Soil Survey of Madison County, Illinois. [Washington, D.C.]: U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2004.

MLA (9th ed.) Citation

Leeper, Randall A. Soil Survey of Madison County, Illinois. U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2004.