Cita APA

Chen, H., Johnson, C. A., Haselkorn, T., Lee, J. H., & Israel, E. (2008). Subspecialty differences in asthma characteristics and management.

Chicago Style Citation

Chen, Hubert, Charles A. Johnson, Tmirah Haselkorn, June H. Lee, i Elliot Israel. Subspecialty Differences in Asthma Characteristics and Management. 2008.

Cita MLA

Chen, Hubert, et al. Subspecialty Differences in Asthma Characteristics and Management. 2008.