Cita APA (7a ed.)

Haller, M., & Risso, C. (2011). The eruption of the Peteroa volcano (35°15'S, 70°18'O) on 4th September, 2010.

Cita Chicago Style (17a ed.)

Haller, M.J, y C. Risso. The Eruption of the Peteroa Volcano (35°15'S, 70°18'O) on 4th September, 2010. 2011.

Cita MLA (8a ed.)

Haller, M.J, y C. Risso. The Eruption of the Peteroa Volcano (35°15'S, 70°18'O) on 4th September, 2010. 2011.

Precaución: Estas citas no son 100% exactas.