Citazione Stile APA (7a Edizione)

Gordon, R. D. (1971). A revision of the genus Zenoria Mulsant, Coleoptera: Coccinellidae. Smithsonian Institution.

Citazione stile Chigago Style (17a edizione)

Gordon, Robert D. A Revision of the Genus Zenoria Mulsant, Coleoptera: Coccinellidae. Washington, D.C: Smithsonian Institution, 1971.

Citatione MLA (9a ed.)

Gordon, Robert D. A Revision of the Genus Zenoria Mulsant, Coleoptera: Coccinellidae. Smithsonian Institution, 1971.