History of the Peloponnesian War
Thucydides
Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.
But afterwards, when a larger force of the Syracusans and their allies had now arrived, the Athenian troops also went out against them and, fearing for their ships, engaged in battle with the enemy, whom they defeated and pursued, killing a few hoplites; and as for the ships, they saved most of them and assembled them at their camp, but eighteen were captured by the Syracusans and their allies and their crews slain to a man.