APA (7th ed.) Citation

Marx, K., & Lenin, W. I. Briefe an Kugelmann.

Chicago Style (17th ed.) Citation

Marx, Karl, and W. I. Lenin. Briefe an Kugelmann.

MLA (8th ed.) Citation

Marx, Karl, and W. I. Lenin. Briefe an Kugelmann.

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