Cita APA (7th ed.)

Shannon, D. A. (1955). The Socialist Party of America: A history. Macmillan.

Cita Chicago (17th ed.)

Shannon, David A. The Socialist Party of America: A History. New York: Macmillan, 1955.

Cita MLA (9th ed.)

Shannon, David A. The Socialist Party of America: A History. Macmillan, 1955.