Citazione Stile APA (7a Edizione)

Ferguson,Nail. (2013). The Great Degeneration: How Institutions Decay and Economies Die. Penguin press.

Citazione stile Chigago Style (17a edizione)

Ferguson,Nail. The Great Degeneration: How Institutions Decay and Economies Die. New York: Penguin press, 2013.

Citatione MLA (9a ed.)

Ferguson,Nail. The Great Degeneration: How Institutions Decay and Economies Die. Penguin press, 2013.