Cita APA (7a ed.)

Varona, B. P. (2011). Emphysema: Fighting to breathe. HealthToday Philippines.

Cita Chicago Style (17a ed.)

Varona, Bernice P. "Emphysema: Fighting to Breathe." HealthToday Philippines 2011.

Cita MLA (9a ed.)

Varona, Bernice P. "Emphysema: Fighting to Breathe." HealthToday Philippines, 2011.