Sudden death in a narcotic addict four months following aortic valve replacement.

MLA

Factor, S., and W. Frishman. “Sudden Death in a Narcotic Addict Four Months Following Aortic Valve Replacement.” American Heart Journal, vol. 98, no. 2, Aug. 1979, pp. 233–42. EBSCOhost, https://doi.org/10.1016/0002-8703(79)90227-8.

APA

Factor, S., & Frishman, W. (1979). Sudden death in a narcotic addict four months following aortic valve replacement. American Heart Journal, 98(2), 233–242. https://doi.org/10.1016/0002-8703(79)90227-8

Chicago

Factor, S, and W Frishman. 1979. “Sudden Death in a Narcotic Addict Four Months Following Aortic Valve Replacement.” American Heart Journal 98 (2): 233–42. doi:10.1016/0002-8703(79)90227-8.