APA (7th ed.) Citation

Williams, D. R., Clark, M. E., & Brown, J. B. (1999). Stream water quality in coal mined areas of the lower Cheat River Basin, West Virginia and Pennsylvania, during low-flow conditions, July 1997. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Williams, Donald R., Mary E. Clark, and Juliane B. Brown. Stream Water Quality in Coal Mined Areas of the Lower Cheat River Basin, West Virginia and Pennsylvania, During Low-flow Conditions, July 1997. [Pittsburgh, Pa.]: U.S. Department of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Williams, Donald R., et al. Stream Water Quality in Coal Mined Areas of the Lower Cheat River Basin, West Virginia and Pennsylvania, During Low-flow Conditions, July 1997. U.S. Department of the Interior, U.S. Geological Survey, 1999.