APA (7th ed.) Citation

Syme, R., Badian, E., & Birley, A. (1979). Roman papers. Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Syme, Ronald, E. Badian, and Anthony Birley. Roman Papers. Oxford : New York: Clarendon Press ; Oxford University Press, 1979.

MLA (9th ed.) Citation

Syme, Ronald, et al. Roman Papers. Clarendon Press ; Oxford University Press, 1979.