Foner Eric & Brown, J. (2005). Forever free: The story of emancipation and reconstruction (First edition.). Alfred A. Knopf.
芝加哥风格引文Foner Eric 与 Joshua Brown. Forever Free: The Story of Emancipation and Reconstruction. First edition. New York: Alfred A. Knopf, 2005.
MLA引文Foner Eric 与 Joshua Brown. Forever Free: The Story of Emancipation and Reconstruction. First edition. Alfred A. Knopf, 2005.
警告：这些引文格式不一定是100％准确.