APA (7th ed.) Citation

Ciceró, M. T., & Williams, W. G. (1965). Letters to his friends. Harvard University Press : William Heinemann.

Chicago Style (17th ed.) Citation

Ciceró, Marc Tul·li, and W. Glynn Williams. Letters to His Friends. Cambridge Massachusetts London: Harvard University Press : William Heinemann, 1965.

MLA (9th ed.) Citation

Ciceró, Marc Tul·li, and W. Glynn Williams. Letters to His Friends. Harvard University Press : William Heinemann, 1965.