APA (7th ed.) Citation

Santos, S. (1997). Pollution level in Metro Manila exceeds WHO standards by almost 200 percent. Philippine Star.

Chicago Style (17th ed.) Citation

Santos, Sammy. "Pollution Level in Metro Manila Exceeds WHO Standards by Almost 200 Percent." Philippine Star 1997.

MLA (9th ed.) Citation

Santos, Sammy. "Pollution Level in Metro Manila Exceeds WHO Standards by Almost 200 Percent." Philippine Star, 1997.

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