Cita APA (7th ed.)

Valencia, L. B. (2001). Cotabato: The heart of Central Mindanao. Manila Bulletin.

Cita Chicago (17th ed.)

Valencia, Lynda B. "Cotabato: The Heart of Central Mindanao." Manila Bulletin 2001.

Cita MLA (9th ed.)

Valencia, Lynda B. "Cotabato: The Heart of Central Mindanao." Manila Bulletin, 2001.