APA Style
      Gasmi, F. et al (2002).
    Cost Proxy Models and Telecommunications Policy: A New Empirical Approach to Regulation .
    Cambridge, Mass. ::
  MIT Press Direct.
  
MLA Style
      Gasmi, Farid. et al.
    "Cost Proxy Models and Telecommunications Policy: A New Empirical Approach to Regulation".
    
    Cambridge, Mass. ::
  MIT Press Direct,
  2002.
  Text.