APA (7th ed.) Zitazioa
Oppenheimer, C. (2011). Eruptions that shook the world. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
Oppenheimer, Clive. Eruptions That Shook the World. Cambridge ; New York: Cambridge University Press, 2011.
MLA (9th ed.) Zitazioa
Oppenheimer, Clive. Eruptions That Shook the World. Cambridge University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.