Gaya APA

Wunderman, R., Venzke, E. (2007). Bulletin of The Global Volcanism Network Vol.32 No.1 January 2007 . Washington DC: Global Volcanism Program.

Gaya MLA

Wunderman, Rick., Venzke, Edward. "Bulletin of The Global Volcanism Network Vol.32 No.1 January 2007". Washington DC: Global Volcanism Program, 2007. Text.