APA Style
      KÖCHER, S. (2015).
    The Paradox of Points: Theoretical Foundation and Empirical Evidence of Medium Magnitude Effects in Loyalty Programs .
    Wiesbaden:
  Springer Gabler Wiesbaden.
  
MLA Style
      KÖCHER, Sören.
    "The Paradox of Points: Theoretical Foundation and Empirical Evidence of Medium Magnitude Effects in Loyalty Programs".
    
    Wiesbaden:
  Springer Gabler Wiesbaden,
  2015.
  Text.