Seigel, J. E. (1993). Marx's fate: The shape of a life. The Pennsylvania State University Press.
芝加哥风格引文Seigel, Jerrold E. Marx's Fate: The Shape of a Life. University Park, Pennsylvania: The Pennsylvania State University Press, 1993.
MLA引文Seigel, Jerrold E. Marx's Fate: The Shape of a Life. The Pennsylvania State University Press, 1993.
警告：这些引文格式不一定是100％准确.