APA (7th ed.) Citation

Gordon, R. D. (1985). The Coccinellidae (Coleoptera) of America north of Mexico. NY Entomolog. Soc.

Chicago Style (17th ed.) Citation

Gordon, Robert D. The Coccinellidae (Coleoptera) of America North of Mexico. New York: NY Entomolog. Soc, 1985.

MLA (9th ed.) Citation

Gordon, Robert D. The Coccinellidae (Coleoptera) of America North of Mexico. NY Entomolog. Soc, 1985.