Dirck, B. R. (2012). Lincoln and the Constitution. Southern Illinois University Press.
Chicago Style (17th ed.) CitationDirck, Brian R. Lincoln and the Constitution. Carbondale: Southern Illinois University Press, 2012.
MLA引文Dirck, Brian R. Lincoln and the Constitution. Southern Illinois University Press, 2012.
警告:這些引文格式不一定是100%准確.