APA (7th ed.) Zitazioa
Frankel, H. R. (2012). The continental drift controversy. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
Frankel, Henry R. The Continental Drift Controversy. Cambridge ; New York: Cambridge University Press, 2012.
MLA (9th ed.) Zitazioa
Frankel, Henry R. The Continental Drift Controversy. Cambridge University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.