APA (7th ed.) Citation

Graf, W. L. (1985). The Colorado River: Instability and basin management. Association of American Geographers.

Chicago Style (17th ed.) Citation

Graf, William L. The Colorado River: Instability and Basin Management. Washington, D.C.: Association of American Geographers, 1985.

MLA (9th ed.) Citation

Graf, William L. The Colorado River: Instability and Basin Management. Association of American Geographers, 1985.