Geological Survey (U.S.) & Fischer, J. M. (2004). Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001. U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Jeffrey M. Fischer. Water Quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001. Reston, Va., Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2004.
MLA (9th ed.) CitationGeological Survey (U.S.) and Jeffrey M. Fischer. Water Quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001. U.S. Dept. of the Interior, U.S. Geological Survey For sale by U.S. Geological Survey, Information Services, 2004.