MLA

Gupta, Alok Krishna, Somnath Dasgupta, and Alok K Gupta. Physics and Chemistry of the Earth’s Interior. Springer New York, 2009.

APA

Gupta, A. Krishna, Dasgupta, S., & Gupta, A. K. (2009). Physics and Chemistry of the Earth’s Interior. Springer New York.

Chicago

Gupta, Alok Krishna, Somnath Dasgupta, and Alok K Gupta. Physics and Chemistry of the Earth’s Interior. : Springer New York, 2009.