APA цитиране

Cicero, M. T. (1998). Letters to his friends. Cambridge: Harvard University Press.

Чикагска система за цитиране

Cicero, Marcus Tullius. Letters to His Friends. Cambridge: Harvard University Press, 1998.

MLA формат за цитиране

Cicero, Marcus Tullius. Letters to His Friends. Cambridge: Harvard University Press, 1998.

Внимание: Тези цитати може да не са 100% точни.