APA (7th ed.) Citation

United States. Environmental Protection Agency, Geological Survey (U.S.), & Kay, R. T. (1996). Geohydrology, water levels and directions of flow, and occurrence of light-nonaqueous-phase liquids on ground water in northwestern Indiana and the Lake Calumet area of northeastern Illinois. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency, Geological Survey (U.S.), and Robert T. Kay. Geohydrology, Water Levels and Directions of Flow, and Occurrence of Light-nonaqueous-phase Liquids on Ground Water in Northwestern Indiana and the Lake Calumet Area of Northeastern Illinois. De Kalb, Ill. ; Indianapolis, Ind.: U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

MLA (9th ed.) Citation

United States. Environmental Protection Agency, et al. Geohydrology, Water Levels and Directions of Flow, and Occurrence of Light-nonaqueous-phase Liquids on Ground Water in Northwestern Indiana and the Lake Calumet Area of Northeastern Illinois. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.