APA Style
      Geer, John. G.. (2006).
    In defense of negativity : attack ads in presidential campaigns .
    United States of America:
  the university of chicago press.
  
Chicago Style
      Geer, John. G..
    In defense of negativity : attack ads in presidential campaigns.
    
    United States of America:
  the university of chicago press,
  2006.
  E-Book Fikom.
  
MLA Style
      Geer, John. G..
    In defense of negativity : attack ads in presidential campaigns.
    
    United States of America:
  the university of chicago press,
  2006.
  E-Book Fikom.
  
Turabian Style
      Geer, John. G..
    In defense of negativity : attack ads in presidential campaigns.
     
    United States of America:
  the university of chicago press,
  2006.
  E-Book Fikom.