APA (7th ed.) Citation

Diers, M. P. (1988). Soil survey of Rock County, Minnesota. The Service.

Chicago Style (17th ed.) Citation

Diers, Marc P. Soil Survey of Rock County, Minnesota. [Washington, D.C.?]: The Service, 1988.

MLA (9th ed.) Citation

Diers, Marc P. Soil Survey of Rock County, Minnesota. The Service, 1988.