Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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