APA (7th ed.) Citation

Tan, M. C. (2006). Think green! act green!: Education for sustainable development. Philippine Population Review.

Chicago Style (17th ed.) Citation

Tan, Merle C. "Think Green! Act Green!: Education for Sustainable Development." Philippine Population Review 2006.

MLA (9th ed.) Citation

Tan, Merle C. "Think Green! Act Green!: Education for Sustainable Development." Philippine Population Review, 2006.

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