Cita APA (7th ed.)

Katigbak, A. F. (2005). UP honors former energy secretary. Philippine Star.

Cita Chicago (17th ed.)

Katigbak, Antonio F. "UP Honors Former Energy Secretary." Philippine Star 2005.

Cita MLA (9th ed.)

Katigbak, Antonio F. "UP Honors Former Energy Secretary." Philippine Star, 2005.