Cita APA (7th ed.)
Boucke, O. F. (1920). The limits of socialism. Macmillan.
Cita Chicago (17th ed.)
Boucke, O. Fred. The Limits of Socialism. New York: Macmillan, 1920.
Cita MLA (9th ed.)
Boucke, O. Fred. The Limits of Socialism. Macmillan, 1920.
Atenció: Aquestes cites poden no estar 100% correctes.