Fronto, M. C. 1., & Haines, C. R. (1957). The correspondence of Marcus Cornelius Fronto with Marcus Aurelius Antoninus, Lucius Verus, Antoninus Pius, and various friends (Rev. and reprint.). Heinemann [u.a.].
Chicago Style (17th ed.) CitationFronto, Marcus Cornelius 100-170, and Charles Reginald Haines. The Correspondence of Marcus Cornelius Fronto with Marcus Aurelius Antoninus, Lucius Verus, Antoninus Pius, and Various Friends. Rev. and reprint. London: Heinemann [u.a.], 1957.
MLA (9th ed.) CitationFronto, Marcus Cornelius 100-170, and Charles Reginald Haines. The Correspondence of Marcus Cornelius Fronto with Marcus Aurelius Antoninus, Lucius Verus, Antoninus Pius, and Various Friends. Rev. and reprint. Heinemann [u.a.], 1957.
Warning: These citations may not always be 100% accurate.