APA (7th ed.) Citation

Marx, K., & Engels, F. (1975). Karl Marx, Frederick Engels: Collected works. Progress Publishers.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. Karl Marx, Frederick Engels: Collected Works. Moscow: Progress Publishers, 1975.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. Karl Marx, Frederick Engels: Collected Works. Progress Publishers, 1975.

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