APA (7th ed.) Citation

Risley, J. C. (1997). Relations of Tualatin River water temperatures to natural and human-caused factors. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Risley, John C. Relations of Tualatin River Water Temperatures to Natural and Human-caused Factors. Portland, Oregon: U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Risley, John C. Relations of Tualatin River Water Temperatures to Natural and Human-caused Factors. U.S. Geological Survey, 1997.