Cita APA (7th ed.)

Russell, R., Norcliffe, J., & Bafadhel, M. (2012). Chronic obstructive pulmonary disease: Management of chronic disease.

Cita Chicago (17th ed.)

Russell, R., J. Norcliffe, i M. Bafadhel. Chronic Obstructive Pulmonary Disease: Management of Chronic Disease. 2012.

Cita MLA (9th ed.)

Russell, R., et al. Chronic Obstructive Pulmonary Disease: Management of Chronic Disease. 2012.