APA (7th ed.) Citation

Calverley, P. M. A. (2003). Chronic obstructive pulmonary disease (Second edition.). Arnold.

Chicago Style (17th ed.) Citation

Calverley, P. M. A. Chronic Obstructive Pulmonary Disease. Second edition. London: Arnold, 2003.

MLA (9th ed.) Citation

Calverley, P. M. A. Chronic Obstructive Pulmonary Disease. Second edition. Arnold, 2003.

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