APA (7th ed.) Citation

MA, G., LS, H., & MV, C. (1979). Mitral valve closure in atrial flutter. Circulation, 59(5), 902. https://doi.org/10.1161/01.cir.59.5.902

Chicago Style (17th ed.) Citation

MA, Greenberg, Herman LS, and Cohen MV. "Mitral Valve Closure in Atrial Flutter." Circulation 59, no. 5 (1979): 902. https://doi.org/10.1161/01.cir.59.5.902.

MLA (9th ed.) Citation

MA, Greenberg, et al. "Mitral Valve Closure in Atrial Flutter." Circulation, vol. 59, no. 5, 1979, p. 902, https://doi.org/10.1161/01.cir.59.5.902.