The histories.
With an English translation by W.R. Paton.

APA Citation

Polybius., Paton, W. R. (William Roger). (1967). The histories. Cambridge, Mass.: Harvard University Press.

MLA Citation

Polybius, and W. R. (William Roger) Paton. The Histories. Cambridge, Mass.: Harvard University Press, 1967.

Warning: These citations may not always be complete (especially for serials).