APA (7th ed.) Citation

Francy, D. S., & Stelzer, E. A. (2012). Microbial source tracking markers at three inland recreational lakes in Ohio, 2011. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Francy, Donna S., and Erin A. Stelzer. Microbial Source Tracking Markers at Three Inland Recreational Lakes in Ohio, 2011. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Francy, Donna S., and Erin A. Stelzer. Microbial Source Tracking Markers at Three Inland Recreational Lakes in Ohio, 2011. U.S. Department of the Interior, U.S. Geological Survey, 2012.