Cita APA (7a ed.)

Ramkumar. (2013). On a Sustainable Future of the Earth's Natural Resources (1.). Springer Berlin Heidelberg.

Cita Chicago Style (17a ed.)

Ramkumar. On a Sustainable Future of the Earth's Natural Resources. 1. Springer Berlin Heidelberg, 2013.

Cita MLA (8a ed.)

Ramkumar. On a Sustainable Future of the Earth's Natural Resources. 1. Springer Berlin Heidelberg, 2013.