United States. Environmental Protection Agency. Office of Water. (1998). Compilation of national recommended water quality criteria and EPA's process for deriving new and revised criteria: Fact sheet. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Compilation of National Recommended Water Quality Criteria and EPA's Process for Deriving New and Revised Criteria: Fact Sheet. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 1998.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Compilation of National Recommended Water Quality Criteria and EPA's Process for Deriving New and Revised Criteria: Fact Sheet. United States Environmental Protection Agency, Office of Water, 1998.