Citazione Stile APA (7a Edizione)

Ure, P. N. (1951). Justinian and his age. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Ure, Percy Neville. Justinian and His Age. Harmondsworth: Penguin Books, 1951.

Citatione MLA (8a ed.)

Ure, Percy Neville. Justinian and His Age. Penguin Books, 1951.