APA Style
      Yang, S. (2015).
    Strength Failure and Crack Evolution Behavior of Rock Materials Containing Pre-existing Fissures .
    London:
  Springer.
  
MLA Style
      Yang, Sheng-Qi.
    "Strength Failure and Crack Evolution Behavior of Rock Materials Containing Pre-existing Fissures".
    
    London:
  Springer,
  2015.
  Text.