Cita APA (7th ed.)
Charlesworth, M. P. (1967). The Roman empire. OUP.
Cita Chicago (17th ed.)
Charlesworth, M P. The Roman Empire. London: OUP, 1967.
Cita MLA (9th ed.)
Charlesworth, M P. The Roman Empire. OUP, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.