APA (7th ed.) Zitazioa

Barker, E. (1957). Social and political thought in byzantium: From Justininan I to the last palaeologus. Oxford at the Clarendon Press.

Chicago Style (17th ed.) Zitazioa

Barker, Ernest. Social and Political Thought in Byzantium: From Justininan I to the Last Palaeologus. Londres: Oxford at the Clarendon Press, 1957.

MLA (9th ed.) Zitazioa

Barker, Ernest. Social and Political Thought in Byzantium: From Justininan I to the Last Palaeologus. Oxford at the Clarendon Press, 1957.