APA (7th ed.) Citation

Zaide, S. M., & Zaide, G. F. (1994). The Philippines: A unique nation. All Nations Pub.

Chicago Style (17th ed.) Citation

Zaide, Sonia M., and Gregorio F. Zaide. The Philippines: A Unique Nation. Manila: All Nations Pub, 1994.

MLA (9th ed.) Citation

Zaide, Sonia M., and Gregorio F. Zaide. The Philippines: A Unique Nation. All Nations Pub, 1994.