APA (7th ed.) Citation

(2000). Water quality in the Allegheny and Monongahela River Basins: Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Water Quality in the Allegheny and Monongahela River Basins: Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98. Denver, CO: U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Water Quality in the Allegheny and Monongahela River Basins: Pennsylvania, West Virginia, New York, and Maryland, 1996 - 98. U.S. Geological Survey, 2000.