APA (7th ed.) Citation

Romulo, L. (2003). The Shell story in the Philippines. Pilipinas Shell Petroleum Corporation.

Chicago Style (17th ed.) Citation

Romulo, Liana. The Shell Story in the Philippines. Makati City: Pilipinas Shell Petroleum Corporation, 2003.

MLA (9th ed.) Citation

Romulo, Liana. The Shell Story in the Philippines. Pilipinas Shell Petroleum Corporation, 2003.

Warning: These citations may not always be 100% accurate.