APA (7th ed.) Citation

United States. Environmental Protection Agency. Region X., United States. Environmental Protection Agency. Office of Wetlands, Oceans, and Watersheds, United States. Army. Corps of Engineers. Portland District, Xerces Society, & Mazzacona, C. A. (2009). Oregon streamflow duration assessment method (Interim version.). U.S. Environmental Protection Agency, Oregon Operations Office Region 10, and Office of Wetlands, Oceans and Watersheds, U.S. Army Corps of Engineers, Portland District.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Region X., Oceans United States. Environmental Protection Agency. Office of Wetlands, United States. Army. Corps of Engineers. Portland District, Xerces Society, and Celeste A. Mazzacona. Oregon Streamflow Duration Assessment Method. Interim version. [Portland, Or.]: U.S. Environmental Protection Agency, Oregon Operations Office Region 10, and Office of Wetlands, Oceans and Watersheds, U.S. Army Corps of Engineers, Portland District, 2009.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Region X., et al. Oregon Streamflow Duration Assessment Method. Interim version. U.S. Environmental Protection Agency, Oregon Operations Office Region 10, and Office of Wetlands, Oceans and Watersheds, U.S. Army Corps of Engineers, Portland District, 2009.