Theory and Technology of Drilling Engineering
  MLA
  Guan, Tinggen Chen, and Hualin Liao. Theory and Technology of Drilling Engineering. Springer Singapore, 2021.
  APA
  Guan, G., Chen, T., & Liao, H. (2021). Theory and Technology of Drilling Engineering. Springer Singapore.
  Chicago
  Guan, Tinggen Chen, and Hualin Liao. Theory and Technology of Drilling Engineering. : Springer Singapore, 2021.