APA (7th ed.) Citation

SJ, P., V, P., AJ, R., JR, B., & JE, C. (1985). "Invalidity" due to chronic bronchitis and emphysema: How real is it? Thorax, 40(11), 828. https://doi.org/10.1136/thx.40.11.828

Chicago Style (17th ed.) Citation

SJ, Pearce, Posner V, Robinson AJ, Barton JR, and Cotes JE. ""Invalidity" Due to Chronic Bronchitis and Emphysema: How Real Is It?" Thorax 40, no. 11 (1985): 828. https://doi.org/10.1136/thx.40.11.828.

MLA (9th ed.) Citation

SJ, Pearce, et al. ""Invalidity" Due to Chronic Bronchitis and Emphysema: How Real Is It?" Thorax, vol. 40, no. 11, 1985, p. 828, https://doi.org/10.1136/thx.40.11.828.