Alvarado, G. E., & Schmincke, H. U. (2011). The 1723 A.D. violent strombolian and phreatomagmatic eruption at Irazú volcano, Costa Rica.
استشهاد بنمط شيكاغوAlvarado, Guillermo E., و Hans Ulrich Schmincke. The 1723 A.D. Violent Strombolian and Phreatomagmatic Eruption At Irazú Volcano, Costa Rica. 2011.
MLA استشهادAlvarado, Guillermo E., و Hans Ulrich Schmincke. The 1723 A.D. Violent Strombolian and Phreatomagmatic Eruption At Irazú Volcano, Costa Rica. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.