ebrary, Inc, Williams, F. J., & Pederson, W. D. (2009). Lincoln lessons: Reflections on America's greatest leader. Southern Illinois University Press.
芝加哥风格引文ebrary, Inc, Frank J. Williams, 与 William D. Pederson. Lincoln Lessons: Reflections on America's Greatest Leader. Carbondale: Southern Illinois University Press, 2009.
MLA引文ebrary, Inc, et al. Lincoln Lessons: Reflections on America's Greatest Leader. Southern Illinois University Press, 2009.
警告：这些引文格式不一定是100％准确.