APA (7th ed.) Citation

Papa, A. V. (2009). Climate change a threat to Metro. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Papa, Alcuin V. "Climate Change a Threat to Metro." Philippine Daily Inquirer 2009.

MLA (9th ed.) Citation

Papa, Alcuin V. "Climate Change a Threat to Metro." Philippine Daily Inquirer, 2009.

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