Παραπομπή APA

Guha,Ramachandra. (2014). Environmentalism: A global history. Penguin Books.

Παραπομπή Chicago Style

Guha,Ramachandra. Environmentalism: A Global History. New Delhi: Penguin Books, 2014.

Παραπομπή MLA

Guha,Ramachandra. Environmentalism: A Global History. Penguin Books, 2014.