Well Test Analysis for Multilayered Reservoirs with Formation Crossflow
  MLA
  Chengtai Gao and Hedong Sun, and Chengtai Gao. Well Test Analysis for Multilayered Reservoirs with Formation Crossflow. Gulf Professional Publishing, 2017.
  APA
  Chengtai Gao and Hedong Sun, C. Gao and Hedong Sun, & Gao, C. (2017). Well Test Analysis for Multilayered Reservoirs with Formation Crossflow. Gulf Professional Publishing.
  Chicago
  Chengtai Gao and Hedong Sun, and Chengtai Gao. Well Test Analysis for Multilayered Reservoirs with Formation Crossflow. : Gulf Professional Publishing, 2017.