APA (7th ed.) Citation

Cooley, K. E. (2003). Soil survey of Clay County, South Dakota. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Cooley, Kent E. Soil Survey of Clay County, South Dakota. [Washington, D.C.?]: Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

Cooley, Kent E. Soil Survey of Clay County, South Dakota. Natural Resources Conservation Service, 2003.

Warning: These citations may not always be 100% accurate.