APA (7th ed.) Citation

MK, P., IL, N., TK, L., & HO, K. (2014). Twenty-five year trends in prevalence of chronic bronchitis and the trends in relation to smoking. Respiratory medicine, 108(11), 1633. https://doi.org/10.1016/j.rmed.2014.08.007

Chicago Style (17th ed.) Citation

MK, Pelkonen, Notkola IL, Laatikainen TK, and Koskela HO. "Twenty-five Year Trends in Prevalence of Chronic Bronchitis and the Trends in Relation to Smoking." Respiratory Medicine 108, no. 11 (2014): 1633. https://doi.org/10.1016/j.rmed.2014.08.007.

MLA (9th ed.) Citation

MK, Pelkonen, et al. "Twenty-five Year Trends in Prevalence of Chronic Bronchitis and the Trends in Relation to Smoking." Respiratory Medicine, vol. 108, no. 11, 2014, p. 1633, https://doi.org/10.1016/j.rmed.2014.08.007.