Filler, L. (1960). The crusade against slavery, 1830-1860. Harper & Row.
芝加哥风格引文Filler, Louis. The Crusade Against Slavery, 1830-1860. New York: Harper & Row, 1960.
MLA引文Filler, Louis. The Crusade Against Slavery, 1830-1860. Harper & Row, 1960.
警告：这些引文格式不一定是100％准确.