Citação norma APA

Bell, M. C., & Busse, W. W. (2015). Is it Asthma or is it COPD: The Overlap Syndrome. J Allergy Clin Immunol Pract.

Citação norma Chicago

Bell, Matthew C., and William W. Busse. "Is It Asthma or Is It COPD: The Overlap Syndrome." J Allergy Clin Immunol Pract 2015.

Citação norma MLA

Bell, Matthew C., and William W. Busse. "Is It Asthma or Is It COPD: The Overlap Syndrome." J Allergy Clin Immunol Pract 2015.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.