APA (7th ed.) Citation

Isaac, N. B. (1998). Appreciation of herbal medicine. Manila Bulletin.

Chicago Style (17th ed.) Citation

Isaac, Norman B. "Appreciation of Herbal Medicine." Manila Bulletin 1998.

MLA (9th ed.) Citation

Isaac, Norman B. "Appreciation of Herbal Medicine." Manila Bulletin, 1998.

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