Cita APA (7a ed.)

Cazzola, M., Anzueto, A., Blasi, F., & Sethi, S. P. (2009). Acute Exacerbations in COPD. NetLibrary, Incorporated.

Cita Chicago Style (17a ed.)

Cazzola, Mario, A. Anzueto, F. Blasi, y S. Prakash Sethi. Acute Exacerbations in COPD. Boulder: NetLibrary, Incorporated, 2009.

Cita MLA (9a ed.)

Cazzola, Mario, et al. Acute Exacerbations in COPD. NetLibrary, Incorporated, 2009.