APA (7th ed.) Citation

Spahr, N. E. (2000). Water quality in the Upper Colorado River Basin, Colorado, 1996-98. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Spahr, Norman E. Water Quality in the Upper Colorado River Basin, Colorado, 1996-98. [Reston, Virginia]: U.S. Department of the Interior, U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Spahr, Norman E. Water Quality in the Upper Colorado River Basin, Colorado, 1996-98. U.S. Department of the Interior, U.S. Geological Survey, 2000.