APA (7th ed.) Zitazioa
Whitman, W. (2001). Leaves of grass. Virginia Tech.
Chicago Style (17th ed.) Zitazioa
Whitman, Walt. Leaves of Grass. [Blacksburg, VA]: Virginia Tech, 2001.
MLA (9th ed.) Zitazioa
Whitman, Walt. Leaves of Grass. Virginia Tech, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.