History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
And so coasting along Sicily, with the shore on their left hand, on the side towards the Tyrrhene gulf, they landed at Himera, which is the only Grecian city in that part of the island. When they would not receive them, they proceeded on their voyage;
and as they coasted along, took Hyccara, which, though a Sicanian town, was engaged in war with the Segestans, and was a petty sea-port. Having taken the inhabitants of the town for slaves, they gave it up to the Segestans, (for some of their cavalry had joined them,) and they themselves returned by land through the country of the Sicels, till they came to Catana; while their ships sailed along the coast with the prisoners on board.
Nicias, however, coasted along straightway from Hyccara to Segesta; and after transacting his other business, and receiving thirty talents, rejoined the forces. They then sold their slaves, from which were realized a hundred and twenty talents;