Cita APA (7a ed.)

Charlesworth, M. P. (1968). The Roman Empire. Oxford University Press.

Cita Chicago Style (17a ed.)

Charlesworth, M. P. The Roman Empire. London: Oxford University Press, 1968.

Cita MLA (9a ed.)

Charlesworth, M. P. The Roman Empire. Oxford University Press, 1968.