Cochlear implants : a practical guide
  MLA
  Cooper, Huw. Cochlear Implants : a Practical Guide. London: Whurr, 1991.
  APA
  Cooper, H. (1991). Cochlear implants : a practical guide. London: Whurr.
  Chicago
  Cooper, Huw ed. Cochlear Implants : a Practical Guide. London: Whurr, 1991.