Cita APA (7th ed.)
Wolf, E. R. (1959). Sons of the shaking earth. University of Chicago Press..
Cita Chicago (17th ed.)
Wolf, Eric R. Sons of the Shaking Earth. [Chicago]: University of Chicago Press., 1959.
Cita MLA (9th ed.)
Wolf, Eric R. Sons of the Shaking Earth. University of Chicago Press., 1959.
Atenció: Aquestes cites poden no estar 100% correctes.