APA (7th ed.) Citation

Tacio, E. D. (1997). The deteriorating state of the Philippine environment. Manila Chronicle.

Chicago Style (17th ed.) Citation

Tacio, Elena D. "The Deteriorating State of the Philippine Environment." Manila Chronicle 1997.

MLA (9th ed.) Citation

Tacio, Elena D. "The Deteriorating State of the Philippine Environment." Manila Chronicle, 1997.

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