APA (7th ed.) Citation

Pettyjohn, W. A. (1986). Protection of public water supplies from ground-water contamination. Center for Environmental Research Information.

Chicago Style (17th ed.) Citation

Pettyjohn, Wayne A. Protection of Public Water Supplies from Ground-water Contamination. Cincinnati, OH: Center for Environmental Research Information, 1986.

MLA (9th ed.) Citation

Pettyjohn, Wayne A. Protection of Public Water Supplies from Ground-water Contamination. Center for Environmental Research Information, 1986.