APA (7th ed.) Citation

Freeman, C., Drinkwater, J. F., & Drummond, A. (1993). The world of the Romans. Oxford University Press.

Chicago Style (17th ed.) Citation

Freeman, Charles, J. F. Drinkwater, and Andrew Drummond. The World of the Romans. Oxford ; New York: Oxford University Press, 1993.

MLA (9th ed.) Citation

Freeman, Charles, et al. The World of the Romans. Oxford University Press, 1993.