APA (7th ed.) Citation

Bunson, M. (2002). Encyclopedia of the Roman empire (Rev. ed.). Facts On File.

Chicago Style (17th ed.) Citation

Bunson, Matthew. Encyclopedia of the Roman Empire. Rev. ed. New York: Facts On File, 2002.

MLA (9th ed.) Citation

Bunson, Matthew. Encyclopedia of the Roman Empire. Rev. ed. Facts On File, 2002.