APA citiranje

Guarascio, A. J., Ray, S. M., Finch, C. K., & Self, T. H. (2013). The clinical and economic burden of chronic obstructive pulmonary disease in the USA. Dove Medical Press.

Citação norma Chicago

Guarascio, Anthony J., Shauntá M. Ray, Christopher K. Finch, and Timothy H. Self. The Clinical and Economic Burden of Chronic Obstructive Pulmonary Disease in the USA. Dove Medical Press, 2013.

MLA citiranje

Guarascio, Anthony J., Shauntá M. Ray, Christopher K. Finch, and Timothy H. Self. The Clinical and Economic Burden of Chronic Obstructive Pulmonary Disease in the USA. Dove Medical Press, 2013.