APA (7th ed.) Citation

De Guzman, D. (1997). Guide for effective study. Manila Bulletin.

Chicago Style (17th ed.) Citation

De Guzman, Desiderio. "Guide for Effective Study." Manila Bulletin 1997.

MLA (9th ed.) Citation

De Guzman, Desiderio. "Guide for Effective Study." Manila Bulletin, 1997.

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