APA (7th ed.) Citation

Kelly, V. J., Lynch, D. D., & Rounds, S. (1999). Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Kelly, Valerie J., Dennis D. Lynch, and Stewart Rounds. Sources and Transport of Phosphorus and Nitrogen During Low-flow Conditions in the Tualatin River, Oregon, 1991-93. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

MLA (9th ed.) Citation

Kelly, Valerie J., et al. Sources and Transport of Phosphorus and Nitrogen During Low-flow Conditions in the Tualatin River, Oregon, 1991-93. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.