APA (7th ed.) Citation

Entomological Society of America, Entomological Society of Canada (1951- ), Entomological Society of Ontario, Biological Survey of Canada, Downes, J. A., & Kavanaugh, D. H. (1988). Origins of the North American insect fauna. Entomological Society of Canada.

Chicago Style (17th ed.) Citation

Entomological Society of America, Entomological Society of Canada (1951- ), Entomological Society of Ontario, Biological Survey of Canada, J. A. Downes, and David H. Kavanaugh. Origins of the North American Insect Fauna. Ottawa: Entomological Society of Canada, 1988.

MLA (8th ed.) Citation

Entomological Society of America, et al. Origins of the North American Insect Fauna. Entomological Society of Canada, 1988.