APA
Siebert L., Simkin T. & Kimberly P. (2010). Volcanoes of the World. Washington, D.C: University of California Press.
Chicago
Siebert Lee, Simkin Tom and Kimberly Paul. 2010. Volcanoes of the World. Washington, D.C: University of California Press.
Harvard
Siebert L., Simkin T. and Kimberly P. (2010). Volcanoes of the World. Washington, D.C: University of California Press.
MLA
Siebert Lee, Simkin Tom and Kimberly Paul. Volcanoes of the World. Washington, D.C: University of California Press. 2010.
