APA (7th ed.) Zitazioa
Stedman, R. C. (1975). Understanding man. Word Books.
Chicago Style (17th ed.) Zitazioa
Stedman, Ray C. Understanding Man. Waco: Word Books, 1975.
MLA (9th ed.) Zitazioa
Stedman, Ray C. Understanding Man. Word Books, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.