APA (7th ed.) Citation

Kroll, T. L. (2006). Soil survey of Iron County, Wisconsin: Subset of major land resource areas 90A, 92, 93B, and 94D. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Kroll, Terry L. Soil Survey of Iron County, Wisconsin: Subset of Major Land Resource Areas 90A, 92, 93B, and 94D. [Washington, D.C.]: Natural Resources Conservation Service, 2006.

MLA (9th ed.) Citation

Kroll, Terry L. Soil Survey of Iron County, Wisconsin: Subset of Major Land Resource Areas 90A, 92, 93B, and 94D. Natural Resources Conservation Service, 2006.

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