APA (7th ed.) Citation

(1997). National drinking water contaminant occurrence data base - development strategy (Revised December 1997.). United States Environmental Protection Agency, Office of Water.

Chicago Style (17th ed.) Citation

National Drinking Water Contaminant Occurrence Data Base - Development Strategy. Revised December 1997. [Washington, DC]: United States Environmental Protection Agency, Office of Water, 1997.

MLA (9th ed.) Citation

National Drinking Water Contaminant Occurrence Data Base - Development Strategy. Revised December 1997. United States Environmental Protection Agency, Office of Water, 1997.