APA Style
      ZENG, J., LIU, Z. (2015).
    Type-2 Fuzzy Graphical Models for Pattern Recognition .
    Tsinghua University Press, Bei:
  Springer Berlin, Heidelberg.
  
MLA Style
      ZENG, Jia., LIU, Zhi-Qiang.
    "Type-2 Fuzzy Graphical Models for Pattern Recognition".
    
    Tsinghua University Press, Bei:
  Springer Berlin, Heidelberg,
  2015.
  Text.