Gage, E., & Cooper, D. J. (2013). Historical range of variation assessment for wetland and riparian ecosystems, U.S. Forest Service Rocky Mountain Region. United States Department of Agriculture, Forest Service, Rocky Mountain Research Station.
Chicago Style (17th ed.) CitationGage, Edward, and David J. Cooper. Historical Range of Variation Assessment for Wetland and Riparian Ecosystems, U.S. Forest Service Rocky Mountain Region. Fort Collins, CO: United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2013.
MLA (9th ed.) CitationGage, Edward, and David J. Cooper. Historical Range of Variation Assessment for Wetland and Riparian Ecosystems, U.S. Forest Service Rocky Mountain Region. United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2013.