APA (7th ed.) Citation

Foster, W. Z. (1968). History of the Communist Party of the United States. Greenwood Press.

Chicago Style (17th ed.) Citation

Foster, William Z. History of the Communist Party of the United States. New York: Greenwood Press, 1968.

MLA (9th ed.) Citation

Foster, William Z. History of the Communist Party of the United States. Greenwood Press, 1968.