APA (7th ed.) Citation

Morgan, G. (2006). 69 A.D.: The year of four emperors. Oxford University Press.

Chicago Style (17th ed.) Citation

Morgan, Gwyn. 69 A.D.: The Year of Four Emperors. Oxford ; New York: Oxford University Press, 2006.

MLA (9th ed.) Citation

Morgan, Gwyn. 69 A.D.: The Year of Four Emperors. Oxford University Press, 2006.