United States. Environmental Protection Agency. Office of Ground-Water Protection. (1990). Guide to ground-water supply contingency planning for local and state governments. Office of Water, Office of Ground-Water Protection, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground-Water Protection. Guide to Ground-water Supply Contingency Planning for Local and State Governments. [Washington, D.C.?]: Office of Water, Office of Ground-Water Protection, U.S. Environmental Protection Agency, 1990.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground-Water Protection. Guide to Ground-water Supply Contingency Planning for Local and State Governments. Office of Water, Office of Ground-Water Protection, U.S. Environmental Protection Agency, 1990.