Hook, S. (1955). Marx and the Marxists: The ambiguous legacy. D.Van Nostrand.
芝加哥风格引文Hook, Sidney. Marx and the Marxists: The Ambiguous Legacy. Princeton: D.Van Nostrand, 1955.
MLA引文Hook, Sidney. Marx and the Marxists: The Ambiguous Legacy. D.Van Nostrand, 1955.
警告：这些引文格式不一定是100％准确.