APA (7th ed.) Citation

Douglas, G., & Elward, K. S. (2010). Asthma: Clinician's desk reference. Manson Publishing Ltd.

Chicago Style (17th ed.) Citation

Douglas, Graham, and Kurtis S. Elward. Asthma: Clinician's Desk Reference. London: Manson Publishing Ltd, 2010.

MLA (9th ed.) Citation

Douglas, Graham, and Kurtis S. Elward. Asthma: Clinician's Desk Reference. Manson Publishing Ltd, 2010.