APA (7th ed.) Citation

Mercado, J. L. (2004). Can of worms 2,3,4 etc.. IN Viewpoint [column]. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Mercado, Juan L. "Can of Worms 2,3,4 Etc.. IN Viewpoint [column]." Philippine Daily Inquirer 2004.

MLA (9th ed.) Citation

Mercado, Juan L. "Can of Worms 2,3,4 Etc.. IN Viewpoint [column]." Philippine Daily Inquirer, 2004.

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