Cita APA (7a ed.)

Zaide, G. F., & Zaide, S. M. (2006). World history (Fifth edition.). All Nations Publishing Co., Inc.

Cita Chicago Style (17a ed.)

Zaide, Gregorio F., y Sonia M. Zaide. World History. Fifth edition. Quezon City: All Nations Publishing Co., Inc, 2006.

Cita MLA (9a ed.)

Zaide, Gregorio F., y Sonia M. Zaide. World History. Fifth edition. All Nations Publishing Co., Inc, 2006.