APA (7th ed.) Citation

Fulton, J. W. (2016). Occurrence and trends in the concentrations of fecal-indicator bacteria and the relation to field water-quality parameters in the Allegheny, Monongahela, and Ohio Rivers and selected tributaries, Allegheny County, Pennsylvania, 2001-09. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fulton, John W. Occurrence and Trends in the Concentrations of Fecal-indicator Bacteria and the Relation to Field Water-quality Parameters in the Allegheny, Monongahela, and Ohio Rivers and Selected Tributaries, Allegheny County, Pennsylvania, 2001-09. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2016.

MLA (9th ed.) Citation

Fulton, John W. Occurrence and Trends in the Concentrations of Fecal-indicator Bacteria and the Relation to Field Water-quality Parameters in the Allegheny, Monongahela, and Ohio Rivers and Selected Tributaries, Allegheny County, Pennsylvania, 2001-09. U.S. Department of the Interior, U.S. Geological Survey, 2016.