APA (7th ed.) Citation

Wiedenfeld, C. C. (2003). Soil survey of Reagan and Upton counties, Texas. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Wiedenfeld, C. C. Soil Survey of Reagan and Upton Counties, Texas. [Washington, D.C.?]: Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

Wiedenfeld, C. C. Soil Survey of Reagan and Upton Counties, Texas. Natural Resources Conservation Service, 2003.