APA (7th ed.) Citation

Li, P. N. (1998). Causes of constipation. IN Medical notes [column]. Manila Bulletin.

Chicago Style (17th ed.) Citation

Li, Philip Novales. "Causes of Constipation. IN Medical Notes [column]." Manila Bulletin 1998.

MLA (9th ed.) Citation

Li, Philip Novales. "Causes of Constipation. IN Medical Notes [column]." Manila Bulletin, 1998.

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