Ellison, B. B. (2014). The true Mary Todd Lincoln: A biography. McFarland & Company.
芝加哥风格引文Ellison, Betty Boles. The True Mary Todd Lincoln: A Biography. Jefferson, North Carolina: McFarland & Company, 2014.
MLA引文Ellison, Betty Boles. The True Mary Todd Lincoln: A Biography. McFarland & Company, 2014.
警告：这些引文格式不一定是100％准确.