APA (7th ed.) Zitazioa
Crank, J. A. (2012). Understanding Sam Shepard. University of South Carolina Press.
Chicago Style (17th ed.) Zitazioa
Crank, James A. Understanding Sam Shepard. Columbia: University of South Carolina Press, 2012.
MLA (9th ed.) Zitazioa
Crank, James A. Understanding Sam Shepard. University of South Carolina Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.