Cita APA (7a ed.)

Sy, G. S. (2000). Gallstone. IN Life extension [column]. Manila Bulletin.

Cita Chicago Style (17a ed.)

Sy, Gary S. "Gallstone. IN Life Extension [column]." Manila Bulletin 2000.

Cita MLA (9a ed.)

Sy, Gary S. "Gallstone. IN Life Extension [column]." Manila Bulletin, 2000.