APA (7th ed.) Citation

Heywood, C. E., & Pope, J. P. (2009). Simulation of groundwater flow in the Coastal Plain aquifer system of Virginia. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Heywood, Charles E., and Jason P. Pope. Simulation of Groundwater Flow in the Coastal Plain Aquifer System of Virginia. Reston, Va.: U.S. Geological Survey, 2009.

MLA (9th ed.) Citation

Heywood, Charles E., and Jason P. Pope. Simulation of Groundwater Flow in the Coastal Plain Aquifer System of Virginia. U.S. Geological Survey, 2009.