एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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