Cita APA (7th ed.)

Indon, R. M. (1999). The Informal sector. IN Commentary [column]. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer 1999.

Cita MLA (9th ed.)

Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer, 1999.