The Nobel Prize in Physiology or Medicine 2008
Harald zur Hausen, Françoise Barré-Sinoussi, Luc Montagnier
Harald zur Hausen
The Nobel Prize in Physiology or Medicine 2008 was divided, one half awarded to Harald zur Hausen "for his discovery of human papilloma viruses causing cervical cancer", the other half jointly to Françoise Barré-Sinoussi and Luc Montagnier "for their discovery of human immunodeficiency virus".
MLA style: "The Nobel Prize in Physiology or Medicine 2008". Nobelprize.org. 25 May 2013 http://www.nobelprize.org/nobel_prizes/medicine/laureates/2008/index.html