APA (7th ed.) Zitazioa
Massachussets Medical Society. (1976). The New England Journal of Medicine (1a ed.). Massachussets Medical Society.
Chicago Style (17th ed.) Zitazioa
Massachussets Medical Society. The New England Journal of Medicine. 1a ed. Massachusetts: Massachussets Medical Society, 1976.
MLA (9th ed.) Zitazioa
Massachussets Medical Society. The New England Journal of Medicine. 1a ed. Massachussets Medical Society, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.