Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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