APA (7th ed.) Citation

Hadfield, J. A. (1924). The psychology of power. Macmillan.

Chicago Style (17th ed.) Citation

Hadfield, J. A. The Psychology of Power. New York: Macmillan, 1924.

MLA (9th ed.) Citation

Hadfield, J. A. The Psychology of Power. Macmillan, 1924.