Cita APA

Dressler, R. L. (1993). Field guide to the orchids of Costa Rica and Panama. Ithaca, N.Y. : London: Comstock.

Citación estilo Chicago

Dressler, Robert L. Field Guide to the Orchids of Costa Rica and Panama. Ithaca, N.Y. : London: Comstock, 1993.

Cita MLA

Dressler, Robert L. Field Guide to the Orchids of Costa Rica and Panama. Ithaca, N.Y. : London: Comstock, 1993.