APA (7th ed.) Citation

CD, N., & JC, H. (2017). Does untreated obstructive sleep apnea cause secondary erythrocytosis? Respiratory medicine, 130, 27. https://doi.org/10.1016/j.rmed.2017.07.003

Chicago Style (17th ed.) Citation

CD, Nguyen, and Holty JC. "Does Untreated Obstructive Sleep Apnea Cause Secondary Erythrocytosis?" Respiratory Medicine 130 (2017): 27. https://doi.org/10.1016/j.rmed.2017.07.003.

MLA (9th ed.) Citation

CD, Nguyen, and Holty JC. "Does Untreated Obstructive Sleep Apnea Cause Secondary Erythrocytosis?" Respiratory Medicine, vol. 130, 2017, p. 27, https://doi.org/10.1016/j.rmed.2017.07.003.