APA (7th ed.) Citation

Mercado, J. L. (2012). 'Peak' - what?. IN Viewpoint [column]. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Mercado, Juan L. "'Peak' - What?. IN Viewpoint [column]." Philippine Daily Inquirer 2012.

MLA (9th ed.) Citation

Mercado, Juan L. "'Peak' - What?. IN Viewpoint [column]." Philippine Daily Inquirer, 2012.

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