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MLA

Burns, Russell M, et al. "Silvics of North America." , :. Print

APA

Burns, R. M, Honkala, B. H, United States, U. States, & Forest Service, F. Service. (1990). Silvics of North America.

Chicago

Burns, Russell M., Barbara H Honkala, United States, and Forest Service. "Silvics of North America" (1990): :.