APA (7th ed.) Citation

Sweezy, P. M. (1949). Socialism. McGraw-Hill Book Co..

Chicago Style (17th ed.) Citation

Sweezy, Paul M. Socialism. New York: McGraw-Hill Book Co., 1949.

MLA (9th ed.) Citation

Sweezy, Paul M. Socialism. McGraw-Hill Book Co., 1949.