Friedländer, S. (1967). Prelude to downfall: Hitler and the United States, 1939-1941. Chatto & Windus.
芝加哥风格引文Friedländer, Saul. Prelude to Downfall: Hitler and the United States, 1939-1941. London: Chatto & Windus, 1967.
MLA引文Friedländer, Saul. Prelude to Downfall: Hitler and the United States, 1939-1941. Chatto & Windus, 1967.
警告：这些引文格式不一定是100％准确.