Style de citation APA

Radha, S., & Sankhyan, A. S. (2002). Environmental challenges of the 21st century. Deep & Deep.

Style de citation Chicago

Radha, S,Ed, et Amar Singh Sankhyan. Environmental Challenges of the 21st Century. New Delhi: Deep & Deep, 2002.

Style de citation MLA

Radha, S,Ed, et Amar Singh Sankhyan. Environmental Challenges of the 21st Century. Deep & Deep, 2002.

Attention : ces citations peuvent ne pas être correctes à 100%.