APA (7th ed.) Citation

Aben, E. L., & Rivera, R. E. M. (1997). Illegal drugs problem threatens RP's future [series]. Manila Bulletin.

Chicago Style (17th ed.) Citation

Aben, Elena L., and Richar Elmer M. Rivera. "Illegal Drugs Problem Threatens RP's Future [series]." Manila Bulletin 1997.

MLA (9th ed.) Citation

Aben, Elena L., and Richar Elmer M. Rivera. "Illegal Drugs Problem Threatens RP's Future [series]." Manila Bulletin, 1997.

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