APA način citiranja

Guzmán, H. M., & Cortés, J. (1992). Cocos Island (Pacific of Costa Rica) coral reefs after the 1982-83 El Niño disturbance.

Čikaški stil citiranja

Guzmán, Héctor M., i Jorge Cortés. Cocos Island (Pacific of Costa Rica) Coral Reefs After the 1982-83 El Niño Disturbance. 1992.

MLA način citiranja

Guzmán, Héctor M., i Jorge Cortés. Cocos Island (Pacific of Costa Rica) Coral Reefs After the 1982-83 El Niño Disturbance. 1992.