APA (7th ed.) Citation

Cohen, D. A., & Shedlock, R. J. (1986). Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Cohen, David A., and Robert J. Shedlock. Shallow Ground-water Flow, Water Levels, and Quality of Water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore. Indianapolis, Indiana: U.S. Geological Survey, 1986.

MLA (9th ed.) Citation

Cohen, David A., and Robert J. Shedlock. Shallow Ground-water Flow, Water Levels, and Quality of Water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore. U.S. Geological Survey, 1986.