APA Style
      (Workshop), D. (2015).
    Descriptional complexity of formal systems : 17th International Workshop, DCFS 2015, Waterloo, ON, Canada, June 25-27, 2015. Proceedings .
    Cham:
  Springer.
  
MLA Style
      (Workshop), DCFS.
    "Descriptional complexity of formal systems : 17th International Workshop, DCFS 2015, Waterloo, ON, Canada, June 25-27, 2015. Proceedings".
    
    Cham:
  Springer,
  2015.
  Text.