APA (7th ed.) Citation

Koester, H. E., & Miller, D. R. (1980). Ground-water quality and data on wells and springs in Pennsylvania. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Koester, Harry E., and D. R. Miller. Ground-water Quality and Data on Wells and Springs in Pennsylvania. Harrisburg, Pa.: U.S. Geological Survey, 1980.

MLA (9th ed.) Citation

Koester, Harry E., and D. R. Miller. Ground-water Quality and Data on Wells and Springs in Pennsylvania. U.S. Geological Survey, 1980.