APA (7th ed.) Citation

ZQ, M., N, H., & RR, B. (2012). The diagnostic importance of a reduced FEV1/FEV6. COPD, 9(1), 22. https://doi.org/10.3109/15412555.2012.630701

Chicago Style (17th ed.) Citation

ZQ, Morris, Huda N, and Burke RR. "The Diagnostic Importance of a Reduced FEV1/FEV6." COPD 9, no. 1 (2012): 22. https://doi.org/10.3109/15412555.2012.630701.

MLA (9th ed.) Citation

ZQ, Morris, et al. "The Diagnostic Importance of a Reduced FEV1/FEV6." COPD, vol. 9, no. 1, 2012, p. 22, https://doi.org/10.3109/15412555.2012.630701.