APA (7th ed.) Citation

Zaide, G. F., & Zaide, S. M. (1990). Documentary sources of Philippine history. National Book Store.

Chicago Style (17th ed.) Citation

Zaide, Gregorio F., and Sonia M. Zaide. Documentary Sources of Philippine History. Metro Manila: National Book Store, 1990.

MLA (9th ed.) Citation

Zaide, Gregorio F., and Sonia M. Zaide. Documentary Sources of Philippine History. National Book Store, 1990.