APA (7th ed.) Citation

Romulo, C. P., & Romulo, B. D. (1987). Romulo: A third world soldier at the UN. Praeger.

Chicago Style (17th ed.) Citation

Romulo, Carlos Pena, and Berth Day Romulo. Romulo: A Third World Soldier at the UN. New York: Praeger, 1987.

MLA (9th ed.) Citation

Romulo, Carlos Pena, and Berth Day Romulo. Romulo: A Third World Soldier at the UN. Praeger, 1987.