APA (7th ed.) Citation

Garges, J. A. (1987). Ground-water levels in the lower Paleozoic and Precambrian crystalline rocks, southeastern Chester County, Pennsylvania, July and August 1986. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Garges, John A. Ground-water Levels in the Lower Paleozoic and Precambrian Crystalline Rocks, Southeastern Chester County, Pennsylvania, July and August 1986. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1987.

MLA (9th ed.) Citation

Garges, John A. Ground-water Levels in the Lower Paleozoic and Precambrian Crystalline Rocks, Southeastern Chester County, Pennsylvania, July and August 1986. United States Department of the Interior, Geological Survey, 1987.

Warning: These citations may not always be 100% accurate.