APA citiranje

Cyr, M., Beauchesne, M., Lemière, C., & Blais, L. (2008). Effect of theophylline on the rate of moderate to severe exacerbations among patients with chronic obstructive pulmonary disease. Blackwell Science Inc.

Citação norma Chicago

Cyr, Marie-Christyne, Marie-France Beauchesne, Catherine Lemière, and Lucie Blais. Effect of Theophylline On the Rate of Moderate to Severe Exacerbations Among Patients With Chronic Obstructive Pulmonary Disease. Blackwell Science Inc, 2008.

MLA citiranje

Cyr, Marie-Christyne, Marie-France Beauchesne, Catherine Lemière, and Lucie Blais. Effect of Theophylline On the Rate of Moderate to Severe Exacerbations Among Patients With Chronic Obstructive Pulmonary Disease. Blackwell Science Inc, 2008.