APA (7th ed.) Zitazioa
Greist, J. H., & Jefferson, J. W. (1992). Depression and its treatment (Rev.ed.). American Psychiatric.
Chicago Style (17th ed.) Zitazioa
Greist, John H., eta James W. Jefferson. Depression and Its Treatment. Rev.ed. London: American Psychiatric, 1992.
MLA (9th ed.) Zitazioa
Greist, John H., eta James W. Jefferson. Depression and Its Treatment. Rev.ed. American Psychiatric, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.