Food and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, Davidson, A. G., & Prentice, R. M. (1967). Important forest insects and diseases of mutual concern to Canada, the United States and Mexico. Queen's Printer.
Chicago Style (17th ed.) CitationFood and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, A. G. Davidson, and R. M. Prentice. Important Forest Insects and Diseases of Mutual Concern to Canada, the United States and Mexico. [Ottawa: Queen's Printer, 1967.
MLA (8th ed.) CitationFood and Agriculture Organization of the United Nations. Working Group on Forest Insects and Diseases, et al. Important Forest Insects and Diseases of Mutual Concern to Canada, the United States and Mexico. Queen's Printer, 1967.