APA Style
      LINGE, S., LANGTANGEN, H, P. (2016).
    Programming for Computations - Python: A Gentle Introduction to Numerical Simulations with Python 3.6 .
    Cham:
  Springer Cham.
  
MLA Style
      LINGE, Svein., LANGTANGEN, Hans, Petter.
    "Programming for Computations - Python: A Gentle Introduction to Numerical Simulations with Python 3.6".
    
    Cham:
  Springer Cham,
  2016.
  Text.