Cita APA (7th ed.)

Romulo, C. P., & Romulo, B. D. (1991). Romulo: A Third World soldier at the UN. Praeger.

Cita Chicago (17th ed.)

Romulo, Carlos P., i Beth Day Romulo. Romulo: A Third World Soldier at the UN. New York: Praeger, 1991.

Cita MLA (9th ed.)

Romulo, Carlos P., i Beth Day Romulo. Romulo: A Third World Soldier at the UN. Praeger, 1991.