APA (7th ed.) Citation

United States. Natural Resources Conservation Service, Hereford Natural Resource Conservation District (Ariz.), University of Arizona. Agricultural Experiment Station, McGuire, C. E., & Robinett, D. G. (2003). Soil survey of Cochise County, Arizona: Douglas-Tombstone part. Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

United States. Natural Resources Conservation Service, Hereford Natural Resource Conservation District (Ariz.), University of Arizona. Agricultural Experiment Station, Cathy E. McGuire, and Daniel G. Robinett. Soil Survey of Cochise County, Arizona: Douglas-Tombstone Part. [Washington, D.C.?]: Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

United States. Natural Resources Conservation Service, et al. Soil Survey of Cochise County, Arizona: Douglas-Tombstone Part. Natural Resources Conservation Service, 2003.