Lenger, F. (2012). European cities in the modern era, 1850/1914. Brill.
芝加哥风格引文Lenger, Friedrich. European Cities in the Modern Era, 1850/1914. Leiden ; Boston: Brill, 2012.
MLA引文Lenger, Friedrich. European Cities in the Modern Era, 1850/1914. Brill, 2012.
警告：这些引文格式不一定是100％准确.