Cita APA (7a ed.)

Ocampo, A. R. (1999). Pre-Spanish Filipinos knew how to write. Philippine Daily Inquirer.

Cita Chicago Style (17a ed.)

Ocampo, Ambeth R. "Pre-Spanish Filipinos Knew How to Write." Philippine Daily Inquirer 1999.

Cita MLA (9a ed.)

Ocampo, Ambeth R. "Pre-Spanish Filipinos Knew How to Write." Philippine Daily Inquirer, 1999.