APA (7th ed.) Citation

Polkey, M. I., Roberts, P. R., & Firth, J. D. (2004). Cardiology and respiratory medicine. Royal College of Physicians.

Chicago Style (17th ed.) Citation

Polkey, Michael I., Paul R. Roberts, and John D. Firth. Cardiology and Respiratory Medicine. London: Royal College of Physicians, 2004.

MLA (9th ed.) Citation

Polkey, Michael I., et al. Cardiology and Respiratory Medicine. Royal College of Physicians, 2004.

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