APA (7th ed.) Citation

Santiago, R. (1998). Earth day '98. Manila Bulletin.

Chicago Style (17th ed.) Citation

Santiago, Roni. "Earth Day '98." Manila Bulletin 1998.

MLA (9th ed.) Citation

Santiago, Roni. "Earth Day '98." Manila Bulletin, 1998.

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