APA (7th ed.) Citation

Marx, K., & Engels, F. (1970). Karl Marx and Frederick Engels: Selected works (2. pr.). Progress Publishers.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. Karl Marx and Frederick Engels: Selected Works. 2. pr. Moscow: Progress Publishers, 1970.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. Karl Marx and Frederick Engels: Selected Works. 2. pr. Progress Publishers, 1970.