Welskopp, T., & Lessoff, A. (2012). Fractured modernity: America confronts modern times, 1890s to 1940s. R. Oldenbourg Verlag.
芝加哥风格引文Welskopp, Thomas, 与 Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. Munchen, [Germany]: R. Oldenbourg Verlag, 2012.
MLA引文Welskopp, Thomas, 与 Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. R. Oldenbourg Verlag, 2012.
警告：这些引文格式不一定是100％准确.