APA (7th ed.) Citation

Cicero, M. T., & Riess, E. (1923). Cicero's letters. The Macmillan Company.

Chicago Style (17th ed.) Citation

Cicero, Marcus Tullius, and Ernst Riess. Cicero's Letters. New York: The Macmillan Company, 1923.

MLA (9th ed.) Citation

Cicero, Marcus Tullius, and Ernst Riess. Cicero's Letters. The Macmillan Company, 1923.