P. Horn, S. (1989). Prehistoric fires in the Chirripó highlands of Costa Rica: Sedimentary charcoal evidence.
Citación estilo ChicagoP. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.
Cita MLAP. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.
Precaución: Estas citas no son 100% exactas.