APA (7th ed.) Zitazioa
Sharman, M. (1979). People of the plains. Evans Bros..
Chicago Style (17th ed.) Zitazioa
Sharman, Margaret. People of the Plains. London: Evans Bros., 1979.
MLA (9th ed.) Zitazioa
Sharman, Margaret. People of the Plains. Evans Bros., 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.