APA (7th ed.) Citation

WAO, Lockey, M. R. F., & Ledford, M. D. K. (2014). Asthma: Comorbidities, Coexisting Conditions, and Differential Diagnosis.

Chicago Style (17th ed.) Citation

WAO, MD Richard F. Lockey, and MD Dennis K. Ledford. Asthma: Comorbidities, Coexisting Conditions, and Differential Diagnosis. 2014.

MLA (9th ed.) Citation

WAO, et al. Asthma: Comorbidities, Coexisting Conditions, and Differential Diagnosis. 2014.