APA (7th ed.) Citation

Cicerón, M. T., & Williams, W. (1990). Cicero in twenty eight volumes: XXV, Letters to his friends. I, [Books I-VI] (Reprinted 1990.). Harvard University Press.

Chicago Style (17th ed.) Citation

Cicerón, Marco Tulio., and William Williams. Cicero in Twenty Eight Volumes: XXV, Letters to His Friends. I, [Books I-VI]. Reprinted 1990. Cambridge, Massachusetts: Harvard University Press, 1990.

MLA (9th ed.) Citation

Cicerón, Marco Tulio., and William Williams. Cicero in Twenty Eight Volumes: XXV, Letters to His Friends. I, [Books I-VI]. Reprinted 1990. Harvard University Press, 1990.