Cita APA (7th ed.)
Siebert, L., Simkin, T., & Kimberly, P. (2010). Volcanoes of the world (3rd ed.). Smithsonian Institution.
Cita Chicago (17th ed.)
Siebert, Lee, Tom Simkin, i Paul Kimberly. Volcanoes of the World. 3rd ed. Washington, D.C. : Berkeley ; University of California Press: Smithsonian Institution, 2010.
Cita MLA (9th ed.)
Siebert, Lee, et al. Volcanoes of the World. 3rd ed. Smithsonian Institution, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.