APA (7th ed.) Citation

Halpin, D. M., Decramer, M., Celli, B. R., Mueller, A., Metzdorf, N., & Tashkin, D. P. (2017). Effect of a single exacerbation on decline in lung function in COPD. Respiratory Medicine, 128, 85-91. https://doi.org/10.1016/j.rmed.2017.04.013

Chicago Style (17th ed.) Citation

Halpin, David M.G., Marc Decramer, Bartolome R. Celli, Achim Mueller, Norbert Metzdorf, and Donald P. Tashkin. "Effect of a Single Exacerbation on Decline in Lung Function in COPD." Respiratory Medicine 128 (2017): 85-91. https://doi.org/10.1016/j.rmed.2017.04.013.

MLA (9th ed.) Citation

Halpin, David M.G., et al. "Effect of a Single Exacerbation on Decline in Lung Function in COPD." Respiratory Medicine, vol. 128, 2017, pp. 85-91, https://doi.org/10.1016/j.rmed.2017.04.013.