Cita APA (7a ed.)

Cruz, I. A. (1999). Flaws in the constitution. IN Separate opinion [column]. Philippine Daily Inquirer.

Cita Chicago Style (17a ed.)

Cruz, Isagani A. "Flaws in the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer 1999.

Cita MLA (9a ed.)

Cruz, Isagani A. "Flaws in the Constitution. IN Separate Opinion [column]." Philippine Daily Inquirer, 1999.