Cita APA (7a ed.)

Robson, W. (1992). Rome, the empire (Key Stage 3, 1. publ.). Oxford Univ. Press.

Cita Chicago Style (17a ed.)

Robson, Walter. Rome, the Empire. Key Stage 3, 1. publ. Oxford: Oxford Univ. Press, 1992.

Cita MLA (9a ed.)

Robson, Walter. Rome, the Empire. Key Stage 3, 1. publ. Oxford Univ. Press, 1992.