APA (7th ed.) Citation

Ong, W. (2002). Heart health. IN Charter files [column]: What's the problem. Manila Bulletin.

Chicago Style (17th ed.) Citation

Ong, Willie. "Heart Health. IN Charter Files [column]: What's the Problem." Manila Bulletin 2002.

MLA (9th ed.) Citation

Ong, Willie. "Heart Health. IN Charter Files [column]: What's the Problem." Manila Bulletin, 2002.

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