Cita APA (7th ed.)

Swinethrottle, R. B. (1997). A commentary on the recent book. Butterflies of Costa Rica and their natural history: Vol. 2. Zenodo.

Cita Chicago (17th ed.)

Swinethrottle, Reginald B. A Commentary on the Recent Book. Butterflies of Costa Rica and Their Natural History: Vol. 2. Zenodo, 1997.

Cita MLA (9th ed.)

Swinethrottle, Reginald B. A Commentary on the Recent Book. Butterflies of Costa Rica and Their Natural History: Vol. 2. Zenodo, 1997.