APA (7th ed.) Zitazioa
Siebert, L., Simkin, T., & Kimberly, P. (2010). Volcanoes of the world (3rd ed.). Smithsonian Institution.
Chicago Style (17th ed.) Zitazioa
Siebert, Lee, Tom Simkin, eta Paul Kimberly. Volcanoes of the World. 3rd ed. Washington, D.C. : Berkeley ; University of California Press: Smithsonian Institution, 2010.
MLA (9th ed.) Zitazioa
Siebert, Lee, et al. Volcanoes of the World. 3rd ed. Smithsonian Institution, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.