APA (7th ed.) Citation

Hefley, W. E., & Wang, Y. (2015). Economics of unconventional shale gas development: Case studies and impacts. Springer.

Chicago Style (17th ed.) Citation

Hefley, William E., and Yongsheng Wang. Economics of Unconventional Shale Gas Development: Case Studies and Impacts. Cham ; New York: Springer, 2015.

MLA (9th ed.) Citation

Hefley, William E., and Yongsheng Wang. Economics of Unconventional Shale Gas Development: Case Studies and Impacts. Springer, 2015.