APA Style
      Sum, K. (2016).
    Post-Crisis Banking Regulation in the European Union; Opportunities and Threats .
    Warsaw, Poland:
  https://link.springer.com/10.1007/978-3-319-41378-5.
  
MLA Style
      Sum, Katarzyna.
    "Post-Crisis Banking Regulation in the European Union; Opportunities and Threats".
    
    Warsaw, Poland:
  https://link.springer.com/10.1007/978-3-319-41378-5,
  2016.
  Text.