APA (7th ed.) Citation

Voegtlin, D. J., & Bridges, C. A. (1988). Catalog of the Cinara species of North America (Homoptera: Aphididae).

Chicago Style (17th ed.) Citation

Voegtlin, David J., and Charles A. Bridges. Catalog of the Cinara Species of North America (Homoptera: Aphididae). Campaign, Ill, 1988.

MLA (9th ed.) Citation

Voegtlin, David J., and Charles A. Bridges. Catalog of the Cinara Species of North America (Homoptera: Aphididae). 1988.