APA (7th ed.) Citation

Suhl, S. E., & Berning, G. V. (2003). Soil survey of Schuyler County, Illinois. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Suhl, Steven E., and G. V. Berning. Soil Survey of Schuyler County, Illinois. [Washington, D.C.?]: Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

Suhl, Steven E., and G. V. Berning. Soil Survey of Schuyler County, Illinois. Natural Resources Conservation Service, 2003.