APA (7th ed.) Citation

Thomas, R., Green, R., Brightling, C., Birring, S., Parker, D., Wardlaw, A., & Pavord, I. (2004). The influence of age on induced sputum differential cell counts in normal subjects.

Chicago Style (17th ed.) Citation

Thomas, R., R. Green, C. Brightling, S. Birring, D. Parker, A. Wardlaw, and I. Pavord. The Influence of Age on Induced Sputum Differential Cell Counts in Normal Subjects. 2004.

MLA (9th ed.) Citation

Thomas, R., et al. The Influence of Age on Induced Sputum Differential Cell Counts in Normal Subjects. 2004.