APA aipamena

Amador Astúa, J. A., Alfaro Martínez, E. J., Rivera Fernández, E., & Calderón Solera, B. (2009). State of the Climate in 2008.

Chicago Style aipamena

Amador Astúa, Jorge Alberto, Eric J. Alfaro Martínez, Erick Rivera Fernández, y Blanca Calderón Solera. State of the Climate in 2008. 2009.

MLA aipamena

Amador Astúa, Jorge Alberto, Eric J. Alfaro Martínez, Erick Rivera Fernández, y Blanca Calderón Solera. State of the Climate in 2008. 2009.