APA (7th ed.) Citation

Punongbayan, M. (2011). Earth Hour 2011: Not just lights this time. Philippine Star.

Chicago Style (17th ed.) Citation

Punongbayan, Michael. "Earth Hour 2011: Not Just Lights This Time." Philippine Star 2011.

MLA (9th ed.) Citation

Punongbayan, Michael. "Earth Hour 2011: Not Just Lights This Time." Philippine Star, 2011.

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