APA (7th ed.) Citation

Richardson, D. L., & Brockman, A. R. (1992). Hydrogeology and water quality of the shallow ground-water system in eastern York County, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Richardson, Donna L., and Allen R. Brockman. Hydrogeology and Water Quality of the Shallow Ground-water System in Eastern York County, Virginia. Richmond, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 1992.

MLA (9th ed.) Citation

Richardson, Donna L., and Allen R. Brockman. Hydrogeology and Water Quality of the Shallow Ground-water System in Eastern York County, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 1992.