APA (7th ed.) Citation

Boucke, O. F. (1920). The limits of socialism. The Macmillan company.

Chicago Style (17th ed.) Citation

Boucke, O. Fred. The Limits of Socialism. New York: The Macmillan company, 1920.

MLA (9th ed.) Citation

Boucke, O. Fred. The Limits of Socialism. The Macmillan company, 1920.