APA引文

Marx, K., & Engels, F. (1968). Selected works [of] Karl Marx and Frederick Engels. Progress.

芝加哥风格引文

Marx, Karl, 与 Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Moscow: Progress, 1968.

MLA引文

Marx, Karl, 与 Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Progress, 1968.

警告：这些引文格式不一定是100％准确.