APA Alıntı

Barquero, R., Rojas, W., & Vargas, A. (2011). Summary of the seismic and volcanic activity in Costa Rica during 2011.

Chicago Stili Alıntı

Barquero, Rafael, Wilfredo Rojas, ve Alberto Vargas. Summary of the Seismic and Volcanic Activity in Costa Rica During 2011. 2011.

MLA Alıntı

Barquero, Rafael, Wilfredo Rojas, ve Alberto Vargas. Summary of the Seismic and Volcanic Activity in Costa Rica During 2011. 2011.