Cita APA (7a ed.)

Katigbak, A. F. (2004). Osteoarthritis of the knee. IN Painformation [column]. Philippine Star.

Cita Chicago Style (17a ed.)

Katigbak, Antonio F. "Osteoarthritis of the Knee. IN Painformation [column]." Philippine Star 2004.

Cita MLA (9a ed.)

Katigbak, Antonio F. "Osteoarthritis of the Knee. IN Painformation [column]." Philippine Star, 2004.