APA (7th ed.) Citation

United States. Natural Resources Conservation Service, United States. Bureau of Land Management, United States. Bureau of Indian Affairs, & University of Arizona. Agricultural Experiment Station. (1997). Soil survey of Gila Bend-Ajo area, Arizona, parts of Maricopa and Pima counties. The Service.

Chicago Style (17th ed.) Citation

United States. Natural Resources Conservation Service, United States. Bureau of Land Management, United States. Bureau of Indian Affairs, and University of Arizona. Agricultural Experiment Station. Soil Survey of Gila Bend-Ajo Area, Arizona, Parts of Maricopa and Pima Counties. [Washington, D.C.?]: The Service, 1997.

MLA (9th ed.) Citation

United States. Natural Resources Conservation Service, et al. Soil Survey of Gila Bend-Ajo Area, Arizona, Parts of Maricopa and Pima Counties. The Service, 1997.