APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Water. (1995). Watershed tools directory: A collection of watershed tools. United States Environmental Protection Agency, Office of Water.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Water. Watershed Tools Directory: A Collection of Watershed Tools. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 1995.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Water. Watershed Tools Directory: A Collection of Watershed Tools. United States Environmental Protection Agency, Office of Water, 1995.