APA (7th ed.) Citation

Ocmapo, A. R. (1999). History from non-written sources. IN Looking back [column]. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Ocmapo, Ambeth R. "History from Non-written Sources. IN Looking Back [column]." Philippine Daily Inquirer 1999.

MLA (9th ed.) Citation

Ocmapo, Ambeth R. "History from Non-written Sources. IN Looking Back [column]." Philippine Daily Inquirer, 1999.

Warning: These citations may not always be 100% accurate.