APA Style
      LANGTANGEN, H, P., Linge, , S. (2017).
    Finite Difference Computing With PDEs: A Modern Software Approach (1).
    Switzerland:
  Springer Cham.
  
MLA Style
      LANGTANGEN, Hans, Petter., Linge, , Svein.
    "Finite Difference Computing With PDEs: A Modern Software Approach".
    1
    Switzerland:
  Springer Cham,
  2017.
  Text.