APA (7th ed.) Citation

Romulo, C. P. (1978). The Philippines in the world today. Dept. of Foreign Affairs.

Chicago Style (17th ed.) Citation

Romulo, Carlos Pena. The Philippines in the World Today. Manila: Dept. of Foreign Affairs, 1978.

MLA (9th ed.) Citation

Romulo, Carlos Pena. The Philippines in the World Today. Dept. of Foreign Affairs, 1978.