Cita APA (7th ed.)
Welskopp, T., & Lessoff, A. (2012). Fractured modernity: America confronts modern times, 1890s to 1940s. R. Oldenbourg Verlag.
Cita Chicago (17th ed.)
Welskopp, Thomas, i Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. München, [Germany]: R. Oldenbourg Verlag, 2012.
Cita MLA (9th ed.)
Welskopp, Thomas, i Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. R. Oldenbourg Verlag, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.