Ellenwood, J. R., Krist, F. J., & Romero, S. A. (2015). National individual tree species atlas. United States Forest Service, Forest Health Protection, Forest Health Technology Enterprise Team.
Chicago Style (17th ed.) CitationEllenwood, James R., Frank J. Krist, and Sheryl A. Romero. National Individual Tree Species Atlas. Fort Collins, CO: United States Forest Service, Forest Health Protection, Forest Health Technology Enterprise Team, 2015.
MLA (9th ed.) CitationEllenwood, James R., et al. National Individual Tree Species Atlas. United States Forest Service, Forest Health Protection, Forest Health Technology Enterprise Team, 2015.
Warning: These citations may not always be 100% accurate.