APA (7th ed.) Citation

Geological Survey (U.S.) & Levings, G. W. (1982). Potentiometric-surface map of water in the Fox Hills-Lower Hell Creek aquifer in the northern Great Plains area of Montana. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Gary W. Levings. Potentiometric-surface Map of Water in the Fox Hills-Lower Hell Creek Aquifer in the Northern Great Plains Area of Montana. [Reston, Va.]: Department of the Interior, United States Geological Survey, 1982.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Gary W. Levings. Potentiometric-surface Map of Water in the Fox Hills-Lower Hell Creek Aquifer in the Northern Great Plains Area of Montana. Department of the Interior, United States Geological Survey, 1982.