APA način citiranja

Arias, S., & Montoya, M. (2023). Ornithological Observations in Cocos Island and its Oceanic Waters, Costa Rica (July and September 2020).

Čikaški stil citiranja

Arias, Sergio, i Michel Montoya. Ornithological Observations in Cocos Island and Its Oceanic Waters, Costa Rica (July and September 2020). 2023.

MLA način citiranja

Arias, Sergio, i Michel Montoya. Ornithological Observations in Cocos Island and Its Oceanic Waters, Costa Rica (July and September 2020). 2023.