APA način citiranja

McCullagh, B. N., Comellas, A. P., Ballas, Z. K., Newell, J. D., Zimmerman, M. B., & Azar, A. E. (2017). Antibody deficiency in patients with frequent exacerbations of Chronic Obstructive Pulmonary Disease (COPD). PLoS One.

Čikaški stil citiranja

McCullagh, Brian N., Alejandro P. Comellas, Zuhair K. Ballas, John D. Newell, M. Bridget Zimmerman, i Antoine E. Azar. "Antibody Deficiency in Patients With Frequent Exacerbations of Chronic Obstructive Pulmonary Disease (COPD)." PLoS One 2017.

MLA način citiranja

McCullagh, Brian N., et al. "Antibody Deficiency in Patients With Frequent Exacerbations of Chronic Obstructive Pulmonary Disease (COPD)." PLoS One 2017.