APA Style
      POPPER, Karl R.. (1963).
    Conjectures and refutations : The growth of scientific knowledge .
    London:
  Routledge.
  
Chicago Style
      POPPER, Karl R..
    Conjectures and refutations : The growth of scientific knowledge.
    
    London:
  Routledge,
  1963.
  Book.
  
MLA Style
      POPPER, Karl R..
    Conjectures and refutations : The growth of scientific knowledge.
    
    London:
  Routledge,
  1963.
  Book.
  
Turabian Style
      POPPER, Karl R..
    Conjectures and refutations : The growth of scientific knowledge.
     
    London:
  Routledge,
  1963.
  Book.