APA (7th ed.) Citation

Isaac, N. B. (1999). National clean up month. Manila Bulletin.

Chicago Style (17th ed.) Citation

Isaac, Norman B. "National Clean Up Month." Manila Bulletin 1999.

MLA (9th ed.) Citation

Isaac, Norman B. "National Clean Up Month." Manila Bulletin, 1999.

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