APA (7th ed.) Citation

AP, I. (2006). Souls on board: Helicopter emergency medical services and safety. Annals of emergency medicine, 47(4), 357. https://doi.org/10.1016/j.annemergmed.2005.12.020

Chicago Style (17th ed.) Citation

AP, Isakov. "Souls on Board: Helicopter Emergency Medical Services and Safety." Annals of Emergency Medicine 47, no. 4 (2006): 357. https://doi.org/10.1016/j.annemergmed.2005.12.020.

MLA (9th ed.) Citation

AP, Isakov. "Souls on Board: Helicopter Emergency Medical Services and Safety." Annals of Emergency Medicine, vol. 47, no. 4, 2006, p. 357, https://doi.org/10.1016/j.annemergmed.2005.12.020.