APA (7th ed.) Citation

Li, P. N. (1997). Health risks of using cellular phone. Manila Bulletin.

Chicago Style (17th ed.) Citation

Li, Philip Novales. "Health Risks of Using Cellular Phone." Manila Bulletin 1997.

MLA (9th ed.) Citation

Li, Philip Novales. "Health Risks of Using Cellular Phone." Manila Bulletin, 1997.

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