APA (7th ed.) Citation

Marx, K., & Engels, F. (1971). The Cologne communist trial. Lawrence and Wishart.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. The Cologne Communist Trial. London: Lawrence and Wishart, 1971.

MLA (9th ed.) Citation

Marx, Karl, and Friedrich Engels. The Cologne Communist Trial. Lawrence and Wishart, 1971.

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