APA (7th ed.) Citation

Langley, L. D. (1968). The Cuban policy of the United States: A brief history. Wiley.

Chicago Style (17th ed.) Citation

Langley, Lester D. The Cuban Policy of the United States: A Brief History. New York: Wiley, 1968.

MLA (9th ed.) Citation

Langley, Lester D. The Cuban Policy of the United States: A Brief History. Wiley, 1968.