APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Norman E. Spahr. Water Quality in the Upper Colorado River Basin, 1996-98. Reston, VA: U.S. Geological Survey, 2000.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Norman E. Spahr. Water Quality in the Upper Colorado River Basin, 1996-98. U.S. Geological Survey, 2000.

Warning: These citations may not always be 100% accurate.