Style de citation APA

Sengar, K. S., Chauhan, G. S., Chand, S., & Ramesh Kumar. (2012). Global environment: Issues and problems. L.G. Publishers Distributors.

Style de citation Chicago

Sengar, K. S., G. S. Chauhan, Subhash Chand, et Ramesh Kumar. Global Environment: Issues and Problems. Delhi: L.G. Publishers Distributors, 2012.

Style de citation MLA

Sengar, K. S., et al. Global Environment: Issues and Problems. L.G. Publishers Distributors, 2012.