APA (7th ed.) Citation

Marx, K., Dobb, M., & Ryazanskaya, S. W. (1971). A contribution to the critique of political economy. Lawrence and Wishart.

Chicago Style (17th ed.) Citation

Marx, Karl, Maurice Dobb, and Salomea Wolfovna Ryazanskaya. A Contribution to the Critique of Political Economy. London: Lawrence and Wishart, 1971.

MLA (9th ed.) Citation

Marx, Karl, et al. A Contribution to the Critique of Political Economy. Lawrence and Wishart, 1971.

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