APA (7th ed.) Citation

IBON Foundation. (1997). The State of the Philippine environment. IBON Foundation.

Chicago Style (17th ed.) Citation

IBON Foundation. The State of the Philippine Environment. Manila: IBON Foundation, 1997.

MLA (9th ed.) Citation

IBON Foundation. The State of the Philippine Environment. IBON Foundation, 1997.

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