Elson, H. W. (1889). Side lights on American history. Macmillan.
芝加哥风格引文Elson, Henry William. Side Lights on American History. New York: Macmillan, 1889.
MLA引文Elson, Henry William. Side Lights on American History. Macmillan, 1889.
警告：这些引文格式不一定是100％准确.