APA (7th ed.) Zitazioa
Underhill, R. (2014). Against the grain: Six men who shaped America. Algora Publishing.
Chicago Style (17th ed.) Zitazioa
Underhill, Robert. Against the Grain: Six Men Who Shaped America. New York: Algora Publishing, 2014.
MLA (9th ed.) Zitazioa
Underhill, Robert. Against the Grain: Six Men Who Shaped America. Algora Publishing, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.