APA (7th ed.) Citation

Barrow, R. H. (1949). The Romans / by R.H. Barrow. Penguin.

Chicago Style (17th ed.) Citation

Barrow, R. H. The Romans / by R.H. Barrow. Penguin, 1949.

MLA (9th ed.) Citation

Barrow, R. H. The Romans / by R.H. Barrow. Penguin, 1949.

Warning: These citations may not always be 100% accurate.