APA (7th ed.) Citation

Green, W. R., & Haggard, B. E. (2001). Phosphorus and nitrogen concentrations and loads at Illinois River south of Siloam Springs, Arkansas, 1997-1999. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Green, W. Reed, and Brian E. Haggard. Phosphorus and Nitrogen Concentrations and Loads at Illinois River South of Siloam Springs, Arkansas, 1997-1999. Little Rock, Ark.: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Green, W. Reed, and Brian E. Haggard. Phosphorus and Nitrogen Concentrations and Loads at Illinois River South of Siloam Springs, Arkansas, 1997-1999. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.