APA (7th ed.) Citation

Sweezy, P. M. (1967). Marx and the proletariat. Boston: New England Free Press.

Chicago Style (17th ed.) Citation

Sweezy, Paul M. Marx and the Proletariat. Boston: New England Free Press, 1967.

MLA (8th ed.) Citation

Sweezy, Paul M. Marx and the Proletariat. Boston: New England Free Press, 1967.

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