एपीए उद्धरण

Rojas, V., Barahona, D., & Alvarado, G. E. (2017). Geomorphology and petrography of Ángeles lava flow and the cinder cone Monte de la Cruz, Barva volcano, Costa Rica.

शिकागो स्टाइल उद्धरण

Rojas, Vanessa, Dione Barahona, और Guillermo E. Alvarado. Geomorphology and Petrography of Ángeles Lava Flow and the Cinder Cone Monte De La Cruz, Barva Volcano, Costa Rica. 2017.

एमएलए उद्धरण

Rojas, Vanessa, Dione Barahona, और Guillermo E. Alvarado. Geomorphology and Petrography of Ángeles Lava Flow and the Cinder Cone Monte De La Cruz, Barva Volcano, Costa Rica. 2017.