APA (7th ed.) Citation

Mercado, J. L. (2003). Extinction haunts Cebu's butterflies. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Mercado, Juan L. "Extinction Haunts Cebu's Butterflies." Philippine Daily Inquirer 2003.

MLA (9th ed.) Citation

Mercado, Juan L. "Extinction Haunts Cebu's Butterflies." Philippine Daily Inquirer, 2003.

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