Gaya APA
      Shenk, J, W. (2014).
    Powers of Two: Finding the Essence of Innovation in Creative Pairs .
    London:
  John Murray.
  
Gaya MLA
      Shenk, Joshua, Wolf.
    "Powers of Two: Finding the Essence of Innovation in Creative Pairs".
    
    London:
  John Murray,
  2014.
  Text.