APA (7th ed.) Citation

Cicero, M. T., & Walsh, P. G. (2008). Selected letters (New ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Cicero, Marcus Tullius, and P. G. Walsh. Selected Letters. New ed. Oxford ; New York: Oxford University Press, 2008.

MLA (9th ed.) Citation

Cicero, Marcus Tullius, and P. G. Walsh. Selected Letters. New ed. Oxford University Press, 2008.