Gatzke, H. W. (1950). Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims during the First World War. Johns Hopkins Press.
Cita Chicago Style (17a ed.)Gatzke, Hans W. Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims During the First World War. Baltimore: Johns Hopkins Press, 1950.
Cita MLA (8a ed.)Gatzke, Hans W. Germany's Drive to the West (Drang Nach Westen): A Study of Germany's Western War Aims During the First World War. Johns Hopkins Press, 1950.
Precaución: Estas citas no son 100% exactas.