APA (7th ed.) Citation

Espina, G. S. (1999). Coping with garbage crisis using modern technology. Manila Bulletin.

Chicago Style (17th ed.) Citation

Espina, Gerardo S. "Coping with Garbage Crisis Using Modern Technology." Manila Bulletin 1999.

MLA (9th ed.) Citation

Espina, Gerardo S. "Coping with Garbage Crisis Using Modern Technology." Manila Bulletin, 1999.

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