Cite
A population-based study of smoking, serum cotinine and exhaled nitric oxide among asthmatics and a healthy population in the USA.
MLA
Xu, Xiaohui, et al. “A Population-Based Study of Smoking, Serum Cotinine and Exhaled Nitric Oxide among Asthmatics and a Healthy Population in the USA.” Inhalation Toxicology, vol. 28, no. 14, Dec. 2016, pp. 724–30. EBSCOhost, https://doi.org/10.1080/08958378.2016.1264502.
APA
Xu, X., Hu, H., Kearney, G. D., Kan, H., Carrillo, G., & Chen, X. (2016). A population-based study of smoking, serum cotinine and exhaled nitric oxide among asthmatics and a healthy population in the USA. Inhalation Toxicology, 28(14), 724–730. https://doi.org/10.1080/08958378.2016.1264502
Chicago
Xu, Xiaohui, Hui Hu, Gregory D. Kearney, Haidong Kan, Genny Carrillo, and Xinguang Chen. 2016. “A Population-Based Study of Smoking, Serum Cotinine and Exhaled Nitric Oxide among Asthmatics and a Healthy Population in the USA.” Inhalation Toxicology 28 (14): 724–30. doi:10.1080/08958378.2016.1264502.