Steed, B. E., & Burton, D. A. (2015). Field guide to diseases and insects of Quaking aspen in the west. United States Department of Agriculture, Forest Service, Forest Health Protection.
Chicago Style (17th ed.) CitationSteed, Brytten E., and David A. Burton. Field Guide to Diseases and Insects of Quaking Aspen in the West. Missoula, MT: United States Department of Agriculture, Forest Service, Forest Health Protection, 2015.
MLA (9th ed.) CitationSteed, Brytten E., and David A. Burton. Field Guide to Diseases and Insects of Quaking Aspen in the West. United States Department of Agriculture, Forest Service, Forest Health Protection, 2015.
Warning: These citations may not always be 100% accurate.