APA (7th ed.) Citation

Alvarez, R. (2010). 5 Rs of earth friendly campaigning. Philippine Star.

Chicago Style (17th ed.) Citation

Alvarez, Roy. "5 Rs of Earth Friendly Campaigning." Philippine Star 2010.

MLA (9th ed.) Citation

Alvarez, Roy. "5 Rs of Earth Friendly Campaigning." Philippine Star, 2010.

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