APA (7th ed.) Citation

Duffy, S., Marron, R., Voelker, H., Albert, R., Connett, J., Bailey, W., . . . Research, t. N. C. C. R. N. a. t. C. I. o. H. (2017, June). Effect of beta-blockers on exacerbation rate and lung function in chronic obstructive pulmonary disease (COPD). Respiratory Research.

Chicago Style (17th ed.) Citation

Duffy, Sean, et al. "Effect of Beta-blockers on Exacerbation Rate and Lung Function in Chronic Obstructive Pulmonary Disease (COPD)." Respiratory Research Jun. 2017.

MLA (9th ed.) Citation

Duffy, Sean, et al. "Effect of Beta-blockers on Exacerbation Rate and Lung Function in Chronic Obstructive Pulmonary Disease (COPD)." Respiratory Research, Jun. 2017.

Warning: These citations may not always be 100% accurate.