United States. Environmental Protection Agency. Office of Water. (1997). Information management for the watershed approach in the Pacific Northwest. United States Environmental Protection Agency, Office of Water, Office of Wetlands, Oceans and Watersheds, Assessment and Watershed Protection Division, and Office of Wastewater Management, Permits Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Information Management for the Watershed Approach in the Pacific Northwest. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, Office of Wetlands, Oceans and Watersheds, Assessment and Watershed Protection Division, and Office of Wastewater Management, Permits Division, 1997.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Information Management for the Watershed Approach in the Pacific Northwest. United States Environmental Protection Agency, Office of Water, Office of Wetlands, Oceans and Watersheds, Assessment and Watershed Protection Division, and Office of Wastewater Management, Permits Division, 1997.