United States. Department of the Interior. (1988). List of U.S. Geological Survey geologic and water-supply reports and maps for Pennsylvania and New Jersey. Dept. of the Interior.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for Pennsylvania and New Jersey. [Washington, D.C.?]: Dept. of the Interior, 1988.
MLA (9th ed.) CitationUnited States. Department of the Interior. List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for Pennsylvania and New Jersey. Dept. of the Interior, 1988.
Warning: These citations may not always be 100% accurate.