APA (7th ed.) Citation

Marx, K., & Engels, F. (1945). Correspondence 1846-1895. National Book Agency.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich;Marx Engels. Correspondence 1846-1895. National Book Agency, 1945.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich;Marx Engels. Correspondence 1846-1895. National Book Agency, 1945.

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