APA (7th ed.) Citation

Litke, D. W. (1996). Sources and loads of nutrients in the South Platte River, Colorado and Nebraska, 1994-95. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Litke, David W. Sources and Loads of Nutrients in the South Platte River, Colorado and Nebraska, 1994-95. Denver, Colorado: U.S. Geological Survey, 1996.

MLA (9th ed.) Citation

Litke, David W. Sources and Loads of Nutrients in the South Platte River, Colorado and Nebraska, 1994-95. U.S. Geological Survey, 1996.