Cita APA (7th ed.)

Matias, B. M. (1998). Opening portals of progress. Manila Bulletin.

Cita Chicago (17th ed.)

Matias, Ben-Oliver M. "Opening Portals of Progress." Manila Bulletin 1998.

Cita MLA (9th ed.)

Matias, Ben-Oliver M. "Opening Portals of Progress." Manila Bulletin, 1998.