APA (7th ed.) Zitazioa

Charlesworth, M. P. (1967). The Roman empire. OUP.

Chicago Style (17th ed.) Zitazioa

Charlesworth, M P. The Roman Empire. London: OUP, 1967.

MLA (9th ed.) Zitazioa

Charlesworth, M P. The Roman Empire. OUP, 1967.