APA (7th ed.) Citation

Freedman, R., & Schwartz, H. (1961). Marx on Economics. Harmondsworth: Penguin Books.

Chicago Style (17th ed.) Citation

Freedman, Robert, and Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.

MLA (8th ed.) Citation

Freedman, Robert, and Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.

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