APA (7th ed.) Zitazioa
Martz, W. J. (1969). John Berryman. University of Minnesota Press.
Chicago Style (17th ed.) Zitazioa
Martz, William J. John Berryman. Minneapolis: University of Minnesota Press, 1969.
MLA (9th ed.) Zitazioa
Martz, William J. John Berryman. University of Minnesota Press, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.