APA (7th ed.) Citation

R, R., MK, H., J, V., JA, W., PG, W., & FJ, M. (2017). Chronic Respiratory Symptoms with Normal Spirometry. A Reliable Clinical Entity? American journal of respiratory and critical care medicine, 195(1), 17. https://doi.org/10.1164/rccm.201607-1376PP

Chicago Style (17th ed.) Citation

R, Rodriguez-Roisin, Han MK, Vestbo J, Wedzicha JA, Woodruff PG, and Martinez FJ. "Chronic Respiratory Symptoms with Normal Spirometry. A Reliable Clinical Entity?" American Journal of Respiratory and Critical Care Medicine 195, no. 1 (2017): 17. https://doi.org/10.1164/rccm.201607-1376PP.

MLA (9th ed.) Citation

R, Rodriguez-Roisin, et al. "Chronic Respiratory Symptoms with Normal Spirometry. A Reliable Clinical Entity?" American Journal of Respiratory and Critical Care Medicine, vol. 195, no. 1, 2017, p. 17, https://doi.org/10.1164/rccm.201607-1376PP.