Lincoln Museum (Fort Wayne, Ind.), ebrary, Inc, Holzer, H., & Gabbard, S. V. (2007). Lincoln and freedom: Slavery, emancipation, and the Thirteenth Amendment. Southern Illinois University Press.
芝加哥风格引文Lincoln Museum (Fort Wayne, Ind.), Inc ebrary, Harold Holzer, 与 Sara Vaughn Gabbard. Lincoln and Freedom: Slavery, Emancipation, and the Thirteenth Amendment. Carbondale: Southern Illinois University Press, 2007.
MLA引文Lincoln Museum (Fort Wayne, Ind.), et al. Lincoln and Freedom: Slavery, Emancipation, and the Thirteenth Amendment. Southern Illinois University Press, 2007.
警告：这些引文格式不一定是100％准确.