Gaya APA

Wunderman, R., Venzke, E. (2009). Bulletin of The Global Volcanism Network Vol.34 No.1 January 2009 . Washington DC: Global Volcanism Program.

Gaya MLA

Wunderman, Rick., Venzke, Edward. "Bulletin of The Global Volcanism Network Vol.34 No.1 January 2009". Washington DC: Global Volcanism Program, 2009. Text.