Cita APA (7a ed.)

Cruz, I. A. (2002). Should we change the Constitution. IN Separate opinion [column]. Philippine Daily Inquirer.

Cita Chicago Style (17a ed.)

Cruz, Isagani A. "Should We Change the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer 2002.

Cita MLA (9a ed.)

Cruz, Isagani A. "Should We Change the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer, 2002.