APA (7th ed.) Citation

Teater, W. M., & Walker, M. B. (2002). Soil survey of Marshall County, Illinois. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Teater, W. M., and Michael B. Walker. Soil Survey of Marshall County, Illinois. [Washington, D.C.]: Natural Resources Conservation Service, 2002.

MLA (9th ed.) Citation

Teater, W. M., and Michael B. Walker. Soil Survey of Marshall County, Illinois. Natural Resources Conservation Service, 2002.