APA (7th ed.) Citation

Geological Survey (U.S.), Dugan, J. T., & Sharpe, J. B. (1996). Water-level changes in the High Plains Aquifer--predevelopment to 1994. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Jack T. Dugan, and Jennifer B. Sharpe. Water-level Changes in the High Plains Aquifer--predevelopment to 1994. Lincoln, Neb.: The Survey, 1996.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Water-level Changes in the High Plains Aquifer--predevelopment to 1994. The Survey, 1996.