APA (7th ed.) Citation

Castro, E. R. (1991). Malaria, blindness, heavy smoking are world's biggest health threats / Eddee RH. Castro. Manila Bulletin.

Chicago Style (17th ed.) Citation

Castro, Eddee RH. "Malaria, Blindness, Heavy Smoking Are World's Biggest Health Threats / Eddee RH. Castro." Manila Bulletin 1991.

MLA (9th ed.) Citation

Castro, Eddee RH. "Malaria, Blindness, Heavy Smoking Are World's Biggest Health Threats / Eddee RH. Castro." Manila Bulletin, 1991.

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