APA (7th ed.) Citation

Esteves, P. P. (2007). A GK summer via 'Bayani Challenge'. Philippine Star.

Chicago Style (17th ed.) Citation

Esteves, Patricia P. "A GK Summer via 'Bayani Challenge'." Philippine Star 2007.

MLA (9th ed.) Citation

Esteves, Patricia P. "A GK Summer via 'Bayani Challenge'." Philippine Star, 2007.

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