APA Style
      LAIER, U. et al (2015).
    Theoretical Foundations of Synchrotron and Storage Ring RF Systems (1).
    Heidelberg, Jerman:
  Springer International Publishing.
  
MLA Style
      LAIER, Ulrich. et al.
    "Theoretical Foundations of Synchrotron and Storage Ring RF Systems".
    1
    Heidelberg, Jerman:
  Springer International Publishing,
  2015.
  Text.