APA (7th ed.) Citation

Santos, S. (2003). Guingona renews warning on Charter change. Philippine Star.

Chicago Style (17th ed.) Citation

Santos, Sammy. "Guingona Renews Warning on Charter Change." Philippine Star 2003.

MLA (9th ed.) Citation

Santos, Sammy. "Guingona Renews Warning on Charter Change." Philippine Star, 2003.

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