Norden, A. (1942). The thugs of Europe. German American League for Culture.
芝加哥风格引文Norden, Albert. The Thugs of Europe. New York: German American League for Culture, 1942.
MLA引文Norden, Albert. The Thugs of Europe. German American League for Culture, 1942.
警告：这些引文格式不一定是100％准确.