Cita APA (7th ed.)

Field, W. D. (1971). Butterflies of the genus Vanessa and the resurrected genera Bassaris and Cybthia, Lepidoptera: Nymphalidae. Smithsonian Institution.

Cita Chicago (17th ed.)

Field, William D. Butterflies of the Genus Vanessa and the Resurrected Genera Bassaris and Cybthia, Lepidoptera: Nymphalidae. Washington, D.C: Smithsonian Institution, 1971.

Cita MLA (9th ed.)

Field, William D. Butterflies of the Genus Vanessa and the Resurrected Genera Bassaris and Cybthia, Lepidoptera: Nymphalidae. Smithsonian Institution, 1971.