APA (7th ed.) Citation

Murphy, S. F. (2006). State of the watershed: Water quality of Boulder Creek, Colorado. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Murphy, Sheila F. State of the Watershed: Water Quality of Boulder Creek, Colorado. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2006.

MLA (9th ed.) Citation

Murphy, Sheila F. State of the Watershed: Water Quality of Boulder Creek, Colorado. U.S. Department of the Interior, U.S. Geological Survey, 2006.