Citazione Stile APA (7a Edizione)

Patten, C. (2008). What next?: Surviving the twenty-first century. Allen Lane.

Citazione stile Chigago Style (17a edizione)

Patten, Chris. What Next?: Surviving the Twenty-first Century. London: Allen Lane, 2008.

Citatione MLA (8a ed.)

Patten, Chris. What Next?: Surviving the Twenty-first Century. Allen Lane, 2008.