APA (7th ed.) Citation

Moon, P. T. (1926). Imperialism and world politics. Macmillan.

Chicago Style (17th ed.) Citation

Moon, Parker Thomas. Imperialism and World Politics. New York: Macmillan, 1926.

MLA (9th ed.) Citation

Moon, Parker Thomas. Imperialism and World Politics. Macmillan, 1926.