Trench, E. C. T. (1996). Trends in surface-water quality in Connecticut, 1969-88. U.S. Geological Survey.
Chicago Style (17th ed.) CitationTrench, Elaine C. Todd. Trends in Surface-water Quality in Connecticut, 1969-88. Hartford, Connecticut: U.S. Geological Survey, 1996.
MLA (9th ed.) CitationTrench, Elaine C. Todd. Trends in Surface-water Quality in Connecticut, 1969-88. U.S. Geological Survey, 1996.
Warning: These citations may not always be 100% accurate.