Lindenfeld, D. F. (1997). The practical imagination: The German sciences of state in the nineteenth century. University of Chicago Press.
芝加哥风格引文Lindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. Chicago: University of Chicago Press, 1997.
MLA引文Lindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. University of Chicago Press, 1997.
警告：这些引文格式不一定是100％准确.