APA (7th ed.) Citation

Center for Environmental Research Information (U.S.), United States. Environmental Protection Agency. Office of Drinking Water, & Pettyjohn, W. A. (1987). Protection of public water supplies from ground-water contamination. Noyes Data Corp..

Chicago Style (17th ed.) Citation

Center for Environmental Research Information (U.S.), United States. Environmental Protection Agency. Office of Drinking Water, and Wayne A. Pettyjohn. Protection of Public Water Supplies from Ground-water Contamination. Park Ridge, N.J., U.S.A.: Noyes Data Corp., 1987.

MLA (9th ed.) Citation

Center for Environmental Research Information (U.S.), et al. Protection of Public Water Supplies from Ground-water Contamination. Noyes Data Corp., 1987.