Cita APA (7a ed.)

Barcebal, S., & Ortega, B. (2000). Chronology of events. UP Forum.

Cita Chicago Style (17a ed.)

Barcebal, Sol, y Bart Ortega. "Chronology of Events." UP Forum 2000.

Cita MLA (9a ed.)

Barcebal, Sol, y Bart Ortega. "Chronology of Events." UP Forum, 2000.