APA (7th ed.) Citation

DA, W., & ME, W. (2014). Shock. Emergency medicine clinics of North America, 32(4), 747. https://doi.org/10.1016/j.emc.2014.07.003

Chicago Style (17th ed.) Citation

DA, Wacker, and Winters ME. "Shock." Emergency Medicine Clinics of North America 32, no. 4 (2014): 747. https://doi.org/10.1016/j.emc.2014.07.003.

MLA (9th ed.) Citation

DA, Wacker, and Winters ME. "Shock." Emergency Medicine Clinics of North America, vol. 32, no. 4, 2014, p. 747, https://doi.org/10.1016/j.emc.2014.07.003.