Cita APA (7a ed.)

Title. (1995). IBON Philippines profile: Region II: Cagayan Valley (First ed.). IBON Philippines Databank & Research Center.

Cita Chicago Style (17a ed.)

Title. IBON Philippines Profile: Region II: Cagayan Valley. First ed. Manila: IBON Philippines Databank & Research Center, 1995.

Cita MLA (9a ed.)

Title. IBON Philippines Profile: Region II: Cagayan Valley. First ed. IBON Philippines Databank & Research Center, 1995.