APA (7th ed.) Citation

Romulo, C. P., & Romulo, B. D. (1988). The Philippine presidents: Memoirs of Caros P. Romulo. New Day Publishers.

Chicago Style (17th ed.) Citation

Romulo, Carlos Peña, and Beth Day Romulo. The Philippine Presidents: Memoirs of Caros P. Romulo. Quezon City: New Day Publishers, 1988.

MLA (9th ed.) Citation

Romulo, Carlos Peña, and Beth Day Romulo. The Philippine Presidents: Memoirs of Caros P. Romulo. New Day Publishers, 1988.