Denver, J. M. (2004). Water quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999 - 2001. US Geological Survey circular 1228.
Chicago Style CitationDenver, Judith M. "Water Quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999 - 2001." US Geological Survey Circular 1228 2004.
MLA CitationDenver, Judith M. "Water Quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999 - 2001." US Geological Survey Circular 1228 2004.
Warning: These citations may not always be 100% accurate.