APA (7th ed.) Citation

Marx, K., & Engels, F. (1975). Selected correspondence, 1846-1895. Greenwood Press.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. Selected Correspondence, 1846-1895. Westport, Conn.: Greenwood Press, 1975.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. Selected Correspondence, 1846-1895. Greenwood Press, 1975.