United States. Environmental Protection Agency. Office of Water. (1991). Manual of individual and non-public water supply systems. U.S. Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Manual of Individual and Non-public Water Supply Systems. [Washington, D.C.?]: U.S. Environmental Protection Agency, Office of Water, 1991.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Manual of Individual and Non-public Water Supply Systems. U.S. Environmental Protection Agency, Office of Water, 1991.
Warning: These citations may not always be 100% accurate.