Letters to friends

MLA

Cicero, Marcus Tullius, and David Roy Shackleton Bailey. Letters to Friends. Cambridge (Mass.): Harvard university press, 2001.

APA

Cicero, M. Tullius, & Bailey, D. Roy Shackleton. (2001). Letters to friends. Cambridge (Mass.): Harvard university press.

Chicago

Cicero, Marcus Tullius, Letters to Friends. Edited by David Roy Shackleton Bailey. Cambridge (Mass.): Harvard university press, 2001.