APA引文

P. Horn, S. (1989). Prehistoric fires in the Chirripó highlands of Costa Rica: Sedimentary charcoal evidence.

Citación estilo Chicago

P. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.

MLA引文

P. Horn, Sally. Prehistoric Fires in the Chirripó Highlands of Costa Rica: Sedimentary Charcoal Evidence. 1989.

警告：這些引文格式不一定是100％准確.