APA (7th ed.) Citation

Powell, W. J., & Mutz, P. B. (1958). Ground-water resources of the San Luis Valley, Colorado. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Powell, William James, and Philip B. Mutz. Ground-water Resources of the San Luis Valley, Colorado. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1958.

MLA (9th ed.) Citation

Powell, William James, and Philip B. Mutz. Ground-water Resources of the San Luis Valley, Colorado. United States Department of the Interior, Geological Survey, 1958.