APA (7th ed.) Citation

Corpuz, O., D. (2005). The roots of the Filipino nation. Onofre D. Corpuz.

Chicago Style (17th ed.) Citation

Corpuz, Onofre, D. The Roots of the Filipino Nation. Quezon City, Philippines: Onofre D. Corpuz, 2005.

MLA (9th ed.) Citation

Corpuz, Onofre, D. The Roots of the Filipino Nation. Onofre D. Corpuz, 2005.

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