APA aipamena

Marx, K., & Engels, F. (1968). Selected works [of] Karl Marx and Frederick Engels. Progress.

Chicago Style aipamena

Marx, Karl, and Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Moscow: Progress, 1968.

MLA aipamena

Marx, Karl, and Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Progress, 1968.