APA način citiranja

Miravitlles, M., Urrutia, G., Mathioudakis, A. G., & Ancochea, J. (2017). Efficacy and safety of tiotropium and olodaterol in COPD: A systematic review and meta-analysis. Respir Res.

Čikaški stil citiranja

Miravitlles, Marc, Gerard Urrutia, Alexander G. Mathioudakis, i Julio Ancochea. "Efficacy and Safety of Tiotropium and Olodaterol in COPD: A Systematic Review and Meta-analysis." Respir Res 2017.

MLA način citiranja

Miravitlles, Marc, Gerard Urrutia, Alexander G. Mathioudakis, i Julio Ancochea. "Efficacy and Safety of Tiotropium and Olodaterol in COPD: A Systematic Review and Meta-analysis." Respir Res 2017.