Cita APA

Sy, G. S. (2012). Chronic cough. IN Life extension [column]. Manila Bulletin.

Citación estilo Chicago

Sy, Gary S. "Chronic Cough. IN Life Extension [column]." Manila Bulletin 2012.

Cita MLA

Sy, Gary S. "Chronic Cough. IN Life Extension [column]." Manila Bulletin, 2012.

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