APA引文

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System & ebrary, Inc. (2007). Emergency medical services at the crossroads. National Academies Press.

Chicago Style (17th ed.) Citation

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System and Inc ebrary. Emergency Medical Services at the Crossroads. Washington, DC: National Academies Press, 2007.

MLA引文

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System and Inc ebrary. Emergency Medical Services at the Crossroads. National Academies Press, 2007.