APA (7th ed.) Citation

Torrevillas, Z. (1999). Natural gas development a milestone in the nation's history. Philippine Star.

Chicago Style (17th ed.) Citation

Torrevillas, Zonito. "Natural Gas Development a Milestone in the Nation's History." Philippine Star 1999.

MLA (9th ed.) Citation

Torrevillas, Zonito. "Natural Gas Development a Milestone in the Nation's History." Philippine Star, 1999.

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