APA (7th ed.) Zitazioa
Welskopp, T., & Lessoff, A. (2012). Fractured modernity: America confronts modern times, 1890s to 1940s. R. Oldenbourg Verlag.
Chicago Style (17th ed.) Zitazioa
Welskopp, Thomas, eta Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. München, [Germany]: R. Oldenbourg Verlag, 2012.
MLA (9th ed.) Zitazioa
Welskopp, Thomas, eta Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. R. Oldenbourg Verlag, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.