Cita APA (7a ed.)

Jeffrey, K. (2001). Machines in our hearts: The cardiac pacemaker, the implantable defibrillator, and American health care. Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Jeffrey, Kirk. Machines in Our Hearts: The Cardiac Pacemaker, the Implantable Defibrillator, and American Health Care. Baltimore: Johns Hopkins University Press, 2001.

Cita MLA (8a ed.)

Jeffrey, Kirk. Machines in Our Hearts: The Cardiac Pacemaker, the Implantable Defibrillator, and American Health Care. Johns Hopkins University Press, 2001.