Cita APA (7th ed.)

Yap, R. (2003). Ratify the Kyoto Protocol. IN Commentary [column]. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Yap, Roberto. "Ratify the Kyoto Protocol. IN Commentary [column]." Philippine Daily Inquirer 2003.

Cita MLA (9th ed.)

Yap, Roberto. "Ratify the Kyoto Protocol. IN Commentary [column]." Philippine Daily Inquirer, 2003.