APA (7th ed.) Citation

Penman, J. S. (1923). The irresistible movement of democracy. Macmillan.

Chicago Style (17th ed.) Citation

Penman, John Simpson. The Irresistible Movement of Democracy. New York: Macmillan, 1923.

MLA (9th ed.) Citation

Penman, John Simpson. The Irresistible Movement of Democracy. Macmillan, 1923.