Cita APA

(1972). Organization for Tropical Studies: Geography course : man's impact on tropical ecosystems in Costa Rica, past and present. [Lugar de publicación no identificado]: Organization for Tropical Studies.

Citación estilo Chicago

Organization for Tropical Studies: Geography Course : Man's Impact On Tropical Ecosystems in Costa Rica, Past and Present. [Lugar de publicación no identificado]: Organization for Tropical Studies, 1972.

Cita MLA

Organization for Tropical Studies: Geography Course : Man's Impact On Tropical Ecosystems in Costa Rica, Past and Present. [Lugar de publicación no identificado]: Organization for Tropical Studies, 1972.