APA (7th ed.) Citation

Marx, K., & Freedman, R. (1973). Marx on economics (Reprint.). Penguin.

Chicago Style (17th ed.) Citation

Marx, Karl, and Robert Freedman. Marx on Economics. Reprint. Harmondsworth: Penguin, 1973.

MLA (9th ed.) Citation

Marx, Karl, and Robert Freedman. Marx on Economics. Reprint. Penguin, 1973.