MLA

Thakur, Naresh Kumar, and Sanjeev Rajput. Exploration of Gas Hydrates. Springer Berlin Heidelberg, 2011.

APA

Thakur, N. Kumar, & Rajput, S. (2011). Exploration of Gas Hydrates. Springer Berlin Heidelberg.

Chicago

Thakur, Naresh Kumar, and Sanjeev Rajput. Exploration of Gas Hydrates. : Springer Berlin Heidelberg, 2011.