APA (7th ed.) Citation

Marx, K. (1977). A contribution to the critioue of political economy. Progress.

Chicago Style (17th ed.) Citation

Marx, Karl. A Contribution to the Critioue of Political Economy. Moscow: Progress, 1977.

MLA (9th ed.) Citation

Marx, Karl. A Contribution to the Critioue of Political Economy. Progress, 1977.

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