APA Style
      Agha, G, A. (1986.).
    Actors :a model of concurrent computation in distributed systems  .
    Cambridge, Mass. ::
  MIT Press,.
  
MLA Style
      Agha, Gul, A..
    "Actors :a model of concurrent computation in distributed systems ".
    
    Cambridge, Mass. ::
  MIT Press,,
  1986..
  Text.