APA (7th ed.) Citation

Cicero, M. T. 1., & Shackleton Bailey, D. R. (2001). Letters to friends. Harvard University Press.

Chicago Style (17th ed.) Citation

Cicero, Marcus Tullius 106-43, and D. R. Shackleton Bailey. Letters to Friends. Cambridge London: Harvard University Press, 2001.

MLA (8th ed.) Citation

Cicero, Marcus Tullius 106-43, and D. R. Shackleton Bailey. Letters to Friends. Harvard University Press, 2001.