APA (7th ed.) Citation

Chowdhery, A. A. (1989). Soil survey of Clarke County, Iowa. The Service.

Chicago Style (17th ed.) Citation

Chowdhery, Asghar A. Soil Survey of Clarke County, Iowa. [Washington, D.C.?]: The Service, 1989.

MLA (9th ed.) Citation

Chowdhery, Asghar A. Soil Survey of Clarke County, Iowa. The Service, 1989.