Cita APA (7th ed.)
Frankel, H. R. (2012). The continental drift controversy. Cambridge University Press.
Cita Chicago (17th ed.)
Frankel, Henry R. The Continental Drift Controversy. Cambridge ; New York: Cambridge University Press, 2012.
Cita MLA (9th ed.)
Frankel, Henry R. The Continental Drift Controversy. Cambridge University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.