APA (7th ed.) Citation

Bryan, K., Smith, G. E. P., & Waring, G. A. (1934). Ground-water supplies and irrigation in San Pedro Valley, Arizona. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Bryan, Kirk, G. E. P. Smith, and Gerald A. Waring. Ground-water Supplies and Irrigation in San Pedro Valley, Arizona. Tucson, Arizona: United States Department of the Interior, Geological Survey, 1934.

MLA (9th ed.) Citation

Bryan, Kirk, et al. Ground-water Supplies and Irrigation in San Pedro Valley, Arizona. United States Department of the Interior, Geological Survey, 1934.