Citação norma APA

Silverman, E. K. (2007). Exacerbations in Chronic Obstructive Pulmonary Disease: Do They Contribute to Disease Progression? American Thoracic Society.

Citação norma Chicago

Silverman, Edwin K. Exacerbations in Chronic Obstructive Pulmonary Disease: Do They Contribute to Disease Progression? American Thoracic Society, 2007.

Citação norma MLA

Silverman, Edwin K. Exacerbations in Chronic Obstructive Pulmonary Disease: Do They Contribute to Disease Progression? American Thoracic Society, 2007.

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