APA (7th ed.) Citation

Ong, W. T. (2004). Smallpox vaccination campaigns 199th anniversary. IN Charter files [column]. Manila Bulletin.

Chicago Style (17th ed.) Citation

Ong, Willie T. "Smallpox Vaccination Campaigns 199th Anniversary. IN Charter Files [column]." Manila Bulletin 2004.

MLA (9th ed.) Citation

Ong, Willie T. "Smallpox Vaccination Campaigns 199th Anniversary. IN Charter Files [column]." Manila Bulletin, 2004.

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