APA (7th ed.) Citation

Mercado, J. L. (1997). Philippine ecological IOU's to increase in 21st century. Manila Chronicle.

Chicago Style (17th ed.) Citation

Mercado, Juan L. "Philippine Ecological IOU's to Increase in 21st Century." Manila Chronicle 1997.

MLA (9th ed.) Citation

Mercado, Juan L. "Philippine Ecological IOU's to Increase in 21st Century." Manila Chronicle, 1997.

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