APA (7th ed.) Citation

SM, S., & Simons, S. M. (2012). A patient with asthma seeks medical advice. New England Journal of Medicine, 366(18), 1741. https://doi.org/10.1056/NEJMc1203718

Chicago Style (17th ed.) Citation

SM, Simons, and Steven M. Simons. "A Patient with Asthma Seeks Medical Advice." New England Journal of Medicine 366, no. 18 (2012): 1741. https://doi.org/10.1056/NEJMc1203718.

MLA (9th ed.) Citation

SM, Simons, and Steven M. Simons. "A Patient with Asthma Seeks Medical Advice." New England Journal of Medicine, vol. 366, no. 18, 2012, p. 1741, https://doi.org/10.1056/NEJMc1203718.