Cita APA (7th ed.)

Gatdula, D. (2007). Shell, Chevron prices up 50c. Philippine Star.

Cita Chicago (17th ed.)

Gatdula, Donabelle. "Shell, Chevron Prices Up 50c." Philippine Star 2007.

Cita MLA (9th ed.)

Gatdula, Donabelle. "Shell, Chevron Prices Up 50c." Philippine Star, 2007.