Cita APA (7th ed.)

Estrada, K. (2003). Smoking women and COPD. Philippine Star.

Cita Chicago (17th ed.)

Estrada, Kristine. "Smoking Women and COPD." Philippine Star 2003.

Cita MLA (9th ed.)

Estrada, Kristine. "Smoking Women and COPD." Philippine Star, 2003.