APA način citiranja (7. izdanje)

(2001). Tiotropium effective for COPD-study. Philippine Star.

Čikaški stil citiranja (17. izdanje)

"Tiotropium Effective for COPD-study." Philippine Star 2001.

MLA način citiranja (9. izdanje)

"Tiotropium Effective for COPD-study." Philippine Star, 2001.