Butler, R. (2004). Legions of death: The Nazi enslavement of Europe ; &, Cross of iron : the Nazi enslavement of Western Europe. Pen & Sword Military Classics.
芝加哥风格引文Butler, Rupert. Legions of Death: The Nazi Enslavement of Europe ; &, Cross of Iron : The Nazi Enslavement of Western Europe. South Yorkshire, England: Pen & Sword Military Classics, 2004.
MLA引文Butler, Rupert. Legions of Death: The Nazi Enslavement of Europe ; &, Cross of Iron : The Nazi Enslavement of Western Europe. Pen & Sword Military Classics, 2004.
警告：这些引文格式不一定是100％准确.