APA (7th ed.) Citation

Soponis, A. R. (1977). A revision of the nearctic species of Orthocladius (Orthocladius) van der Wulp: Diptera: Chironomidae. Entomological Soc. of Canada.

Chicago Style (17th ed.) Citation

Soponis, Annelle R. A Revision of the Nearctic Species of Orthocladius (Orthocladius) Van Der Wulp: Diptera: Chironomidae. Ottawa: Entomological Soc. of Canada, 1977.

MLA (9th ed.) Citation

Soponis, Annelle R. A Revision of the Nearctic Species of Orthocladius (Orthocladius) Van Der Wulp: Diptera: Chironomidae. Entomological Soc. of Canada, 1977.