DM, T., CD, C., DG, J., CH, C., P, H., ED, R., . . . CS, B. (1960). The lungs in rheumatoid spondylitis. Gas exchange and lung mechanics in a form of restrictive pulmonary disease. The American journal of medicine, 29, 623. https://doi.org/10.1016/0002-9343(60)90095-4
Chicago Style (17th ed.) CitationDM, TRAVIS, COOK CD, JULIAN DG, CRUMP CH, HELLIESEN P, ROBIN ED, BAYLES TB, and BURWELL CS. "The Lungs in Rheumatoid Spondylitis. Gas Exchange and Lung Mechanics in a Form of Restrictive Pulmonary Disease." The American Journal of Medicine 29 (1960): 623. https://doi.org/10.1016/0002-9343(60)90095-4.
MLA (9th ed.) CitationDM, TRAVIS, et al. "The Lungs in Rheumatoid Spondylitis. Gas Exchange and Lung Mechanics in a Form of Restrictive Pulmonary Disease." The American Journal of Medicine, vol. 29, 1960, p. 623, https://doi.org/10.1016/0002-9343(60)90095-4.