APA (7th ed.) Citation

Geological Survey (U.S.), Groundwater Resources Program (U.S.), & Paschke, S. S. (2011). Groundwater availability of the Denver Basin aquifer system, Colorado. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Groundwater Resources Program (U.S.), and S. S. Paschke. Groundwater Availability of the Denver Basin Aquifer System, Colorado. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Groundwater Availability of the Denver Basin Aquifer System, Colorado. U.S. Dept. of the Interior, U.S. Geological Survey, 2011.