APA (7th ed.) Citation

Wu, F., Zhou, Y., Wang, Z., Xie, M., Shi, Z., Tang, Z., . . . Ran, P. (2020). Clinical characteristics of COVID-19 infection in chronic obstructive pulmonary disease: A multicenter, retrospective, observational study. Journal of thoracic disease, 12(5), 1811-1823. https://doi.org/10.21037/jtd-20-1914

Chicago Style (17th ed.) Citation

Wu, Fan, et al. "Clinical Characteristics of COVID-19 Infection in Chronic Obstructive Pulmonary Disease: A Multicenter, Retrospective, Observational Study." Journal of Thoracic Disease 12, no. 5 (2020): 1811-1823. https://doi.org/10.21037/jtd-20-1914.

MLA (9th ed.) Citation

Wu, Fan, et al. "Clinical Characteristics of COVID-19 Infection in Chronic Obstructive Pulmonary Disease: A Multicenter, Retrospective, Observational Study." Journal of Thoracic Disease, vol. 12, no. 5, 2020, pp. 1811-1823, https://doi.org/10.21037/jtd-20-1914.