Case Based Oral Mucosal Diseases
  MLA
  Chen, and Xin Zeng. Case Based Oral Mucosal Diseases. Springer Singapore, 2018.
  APA
  Chen, C., & Zeng, X. (2018). Case Based Oral Mucosal Diseases. Springer Singapore.
  Chicago
  Chen, and Xin Zeng. Case Based Oral Mucosal Diseases. : Springer Singapore, 2018.