Canada. Environment Canada & Prebble, M. L. (1975). Aerial control of forest insects in Canada. Dept. of the Environment.
Chicago Style (17th ed.) CitationCanada. Environment Canada and M. L. Prebble. Aerial Control of Forest Insects in Canada. Ottawa: Dept. of the Environment, 1975.
MLA (8th ed.) CitationCanada. Environment Canada and M. L. Prebble. Aerial Control of Forest Insects in Canada. Dept. of the Environment, 1975.
Warning: These citations may not always be 100% accurate.