APA (7th ed.) Citation

Punongbayan, R. S., Ong, P. S., & Zamora, P. M. (1998). The Philippine archipelago. Asia Pub. Co. Ltd.

Chicago Style (17th ed.) Citation

Punongbayan, Raymundo S., Perry S. Ong, and Prescillano M. Zamora. The Philippine Archipelago. [Mandaluyong City]: Asia Pub. Co. Ltd, 1998.

MLA (9th ed.) Citation

Punongbayan, Raymundo S., et al. The Philippine Archipelago. Asia Pub. Co. Ltd, 1998.