APA (7th ed.) Citation

Pettyjohn, W. A. (1987). Protection of public water supplies from ground-water contamination. Noyes Data Corporation.

Chicago Style (17th ed.) Citation

Pettyjohn, Wayne A. Protection of Public Water Supplies from Ground-water Contamination. Park Ridge: Noyes Data Corporation, 1987.

MLA (8th ed.) Citation

Pettyjohn, Wayne A. Protection of Public Water Supplies from Ground-water Contamination. Noyes Data Corporation, 1987.

Warning: These citations may not always be 100% accurate.