APA Citation

Zwicker, S. E. (1992). Soil survey of Bureau County, Illinois. [Washington, D.C.?]: The Service.

Chicago Style Citation

Zwicker, S. E. Soil Survey of Bureau County, Illinois. [Washington, D.C.?]: The Service, 1992.

MLA Citation

Zwicker, S. E. Soil Survey of Bureau County, Illinois. [Washington, D.C.?]: The Service, 1992.

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