APA-viite (7. p.)
Welskopp, T., & Lessoff, A. (2012). Fractured modernity: America confronts modern times, 1890s to 1940s. R. Oldenbourg Verlag.
Chicago-viite (17. p.)
Welskopp, Thomas, ja Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. München, [Germany]: R. Oldenbourg Verlag, 2012.
MLA-viite (9. p.)
Welskopp, Thomas, ja Alan Lessoff. Fractured Modernity: America Confronts Modern Times, 1890s to 1940s. R. Oldenbourg Verlag, 2012.
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