Kapp, Y. (1972). Eleanor Marx: Family Life 1855-1883. London: Virago.
芝加哥风格引文Kapp, Yvonne. Eleanor Marx: Family Life 1855-1883. London: Virago, 1972.
MLA引文Kapp, Yvonne. Eleanor Marx: Family Life 1855-1883. London: Virago, 1972.
警告：这些引文格式不一定是100％准确.