MLA

Dayal, Anurodh Mohan; Mani, Devleena, and Mani Devleena. Shale Gas. Elsevier, 2017.

APA

Dayal, D., & Mani Devleena, M. Devleena. (2017). Shale Gas. Elsevier.

Chicago

Dayal, Anurodh Mohan; Mani, Devleena, and Mani Devleena. Shale Gas. : Elsevier, 2017.