Percoco, J. A. (2008). Summers with Lincoln: Looking for the man in the monuments. Fordham University Press.
芝加哥风格引文Percoco, James A. Summers with Lincoln: Looking for the Man in the Monuments. New York: Fordham University Press, 2008.
MLA引文Percoco, James A. Summers with Lincoln: Looking for the Man in the Monuments. Fordham University Press, 2008.
警告：这些引文格式不一定是100％准确.