Citazione Stile APA (7a Edizione)

Ferrero, G. (1909). The Greatness and Decline of Rome: Vol. I The empire-builders. G.P. Putnam´s Sons.

Citazione stile Chigago Style (17a edizione)

Ferrero, Guglielmo. The Greatness and Decline of Rome: Vol. I The Empire-builders. New York: G.P. Putnam´s Sons, 1909.

Citatione MLA (9a ed.)

Ferrero, Guglielmo. The Greatness and Decline of Rome: Vol. I The Empire-builders. G.P. Putnam´s Sons, 1909.