APA Style
      Collins, C., Postal, P, M. (2012.).
    Imposters :a study of pronominal agreement .
    Cambridge:
  The MIT Press,.
  
MLA Style
      Collins, Chris,., Postal, Paul, Martin,.
    "Imposters :a study of pronominal agreement".
    
    Cambridge:
  The MIT Press,,
  2012..
  Text.