APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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