APA (7th ed.) Citation

Cumming, J. M. (1989). Classification and evolution of the eumenine wasp genus Symmorphus Wesmael (Hymenoptera: Vespidae). Entomological Society of Canada.

Chicago Style (17th ed.) Citation

Cumming, Jeffrey Malcolm. Classification and Evolution of the Eumenine Wasp Genus Symmorphus Wesmael (Hymenoptera: Vespidae). Ottawa: Entomological Society of Canada, 1989.

MLA (9th ed.) Citation

Cumming, Jeffrey Malcolm. Classification and Evolution of the Eumenine Wasp Genus Symmorphus Wesmael (Hymenoptera: Vespidae). Entomological Society of Canada, 1989.