APA (7th ed.) Citation

Halpin, D. M. G. (2001). COPD. Mosby.

Chicago Style (17th ed.) Citation

Halpin, David M. G. COPD. London: Mosby, 2001.

MLA (9th ed.) Citation

Halpin, David M. G. COPD. Mosby, 2001.

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