APA (7th ed.) Citation

Geological Survey (U.S.), Arizona Water Commission, & Farrar, C. D. (1980). Maps showing ground-water conditions in the Hopi area, Coconino and Navajo Counties, Arizona--1977. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Arizona Water Commission, and C. D. Farrar. Maps Showing Ground-water Conditions in the Hopi Area, Coconino and Navajo Counties, Arizona--1977. [Tucson, Ariz,]: Department of the Interior, United States Geological Survey, 1980.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Maps Showing Ground-water Conditions in the Hopi Area, Coconino and Navajo Counties, Arizona--1977. Department of the Interior, United States Geological Survey, 1980.