Citazione Stile APA (7a Edizione)

Gupta, K. (2005). Encyclopaedia of Environment: Global Warming Problems and Policies. Atlantic Publishers & Distributors.

Citazione stile Chigago Style (17a edizione)

Gupta, K.R. Encyclopaedia of Environment: Global Warming Problems and Policies. New Delhi: Atlantic Publishers & Distributors, 2005.

Citatione MLA (9a ed.)

Gupta, K.R. Encyclopaedia of Environment: Global Warming Problems and Policies. Atlantic Publishers & Distributors, 2005.