Cita APA (7a ed.)

Zaide, G. F., & Zaide, S. M. (2006). World history (5th ed.). All Nations Pub.

Cita Chicago Style (17a ed.)

Zaide, Gregorio F., y Sonia M. Zaide. World History. 5th ed. Quezon City: All Nations Pub, 2006.

Cita MLA (9a ed.)

Zaide, Gregorio F., y Sonia M. Zaide. World History. 5th ed. All Nations Pub, 2006.