Allen, E. A., Morrison, D., & Wallis, G. (1996). Common tree diseases of British Columbia. Natural Resources Canada, Canadian Forest Service.
Chicago Style (17th ed.) CitationAllen, E. A., D.J Morrison, and G.W Wallis. Common Tree Diseases of British Columbia. Victoria, B.C: Natural Resources Canada, Canadian Forest Service, 1996.
MLA (9th ed.) CitationAllen, E. A., et al. Common Tree Diseases of British Columbia. Natural Resources Canada, Canadian Forest Service, 1996.
Warning: These citations may not always be 100% accurate.