APA (7th ed.) Zitazioa
Carrington, R. (1964). A Million Years of Man: The Story of Human Development as a Part of Nature. Mentor Books.
Chicago Style (17th ed.) Zitazioa
Carrington, Richard. A Million Years of Man: The Story of Human Development as a Part of Nature. Nueva York, EUA: Mentor Books, 1964.
MLA (9th ed.) Zitazioa
Carrington, Richard. A Million Years of Man: The Story of Human Development as a Part of Nature. Mentor Books, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.