Cita APA

O.T.S. (1972). Field stations of the organization for tropical studies in Costa Rica. Miami: O.T.S..

Citación estilo Chicago

O.T.S. Field Stations of the Organization for Tropical Studies in Costa Rica. Miami: O.T.S., 1972.

Cita MLA

O.T.S. Field Stations of the Organization for Tropical Studies in Costa Rica. Miami: O.T.S., 1972.