APA (7th ed.) Citation

Marx, K., Engels, F., & Cohen, J. (1976). Collected works / Karl Marx, Frederick Engels. Lawrence and Wishart.

Chicago Style (17th ed.) Citation

Marx, Karl, Friedrich Engels, and Jack Cohen. Collected Works / Karl Marx, Frederick Engels. London: Lawrence and Wishart, 1976.

MLA (9th ed.) Citation

Marx, Karl, et al. Collected Works / Karl Marx, Frederick Engels. Lawrence and Wishart, 1976.

Warning: These citations may not always be 100% accurate.