Cita APA

Siler, T. M., Kerwin, E., Singletary, K., Brooks, J., & Church, A. (2015). Efficacy and Safety of Umeclidinium Added to Fluticasone Propionate/Salmeterol in Patients with COPD.

Citación estilo Chicago

Siler, Thomas M., Edward Kerwin, Karen Singletary, Jean Brooks, y Alison Church. Efficacy and Safety of Umeclidinium Added to Fluticasone Propionate/Salmeterol in Patients With COPD. 2015.

Cita MLA

Siler, Thomas M., et al. Efficacy and Safety of Umeclidinium Added to Fluticasone Propionate/Salmeterol in Patients With COPD. 2015.