The pain stethoscope: A clinician’s guide to measuring pain
  MLA
  Jensen, Mark P. The Pain Stethoscope: A Clinician’s Guide to Measuring Pain. Springer Healthcare Ltd, 2011.
  APA
  Jensen, M. P. (2011). The pain stethoscope: A clinician’s guide to measuring pain. Springer Healthcare Ltd.
  Chicago
  Jensen, Mark P The Pain Stethoscope: A Clinician’s Guide to Measuring Pain. : Springer Healthcare Ltd, 2011.