United States. Environmental Protection Agency. Assessment and Watershed Protection Division. (2003). Elements of a state water monitoring and assessment program. United States Environmental Protection Agency, Office of Wetlands, Oceans and Watershed, Assessment and Watershed Protection Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Assessment and Watershed Protection Division. Elements of a State Water Monitoring and Assessment Program. [Washington, D.C.]: United States Environmental Protection Agency, Office of Wetlands, Oceans and Watershed, Assessment and Watershed Protection Division, 2003.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Assessment and Watershed Protection Division. Elements of a State Water Monitoring and Assessment Program. United States Environmental Protection Agency, Office of Wetlands, Oceans and Watershed, Assessment and Watershed Protection Division, 2003.