Imbrigiotta, T. E., & Martin, A. (1981). Hydrologic and chemical evaluation of the ground-water resources of northwest Elkhart County, Indiana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationImbrigiotta, Thomas E., and Angel Martin. Hydrologic and Chemical Evaluation of the Ground-water Resources of Northwest Elkhart County, Indiana. Indianapolis, Ind.: U.S. Geological Survey, 1981.
MLA (9th ed.) CitationImbrigiotta, Thomas E., and Angel Martin. Hydrologic and Chemical Evaluation of the Ground-water Resources of Northwest Elkhart County, Indiana. U.S. Geological Survey, 1981.
Warning: These citations may not always be 100% accurate.