APA (7th ed.) Citation

Vodrazka, F. M. (1989). Soil survey of Yell County, Arkansas. U.S. Dept. of Agriculture, Soil Conservation Service.

Chicago Style (17th ed.) Citation

Vodrazka, Frank M. Soil Survey of Yell County, Arkansas. [Washington, D.C.?]: U.S. Dept. of Agriculture, Soil Conservation Service, 1989.

MLA (9th ed.) Citation

Vodrazka, Frank M. Soil Survey of Yell County, Arkansas. U.S. Dept. of Agriculture, Soil Conservation Service, 1989.