Cita APA (7th ed.)

Mercado, J. L. (2013). Bum weed. IN Viewpoint [column]. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Mercado, Juan L. "Bum Weed. IN Viewpoint [column]." Philippine Daily Inquirer 2013.

Cita MLA (9th ed.)

Mercado, Juan L. "Bum Weed. IN Viewpoint [column]." Philippine Daily Inquirer, 2013.