APA Style
      Zerres, C. (2021).
    Handbuch Marketing-Controlling (1).
    Berlin, Heidelberg:
  Springer Gabler Berlin, Heidelberg.
  
MLA Style
      Zerres, Christopher.
    "Handbuch Marketing-Controlling".
    1
    Berlin, Heidelberg:
  Springer Gabler Berlin, Heidelberg,
  2021.
  Text.