Cita APA

Alvarado, G. E., & Schmincke, H. U. (2011). The 1723 A.D. violent strombolian and phreatomagmatic eruption at Irazú volcano, Costa Rica.

Chicago Style Citation

Alvarado, Guillermo E., i Hans Ulrich Schmincke. The 1723 A.D. Violent Strombolian and Phreatomagmatic Eruption At Irazú Volcano, Costa Rica. 2011.

Cita MLA

Alvarado, Guillermo E., i Hans Ulrich Schmincke. The 1723 A.D. Violent Strombolian and Phreatomagmatic Eruption At Irazú Volcano, Costa Rica. 2011.