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.
Meanwhile they also sent envoys to Lacedaemon in a trireme, which eluded the Athenian fleet lying at anchor at Malea north of the town; for they had no confidence in the success of their negotiations with the Athenians.
These envoys, arriving at Lacedaemon after a hard voyage through the open sea, began negotiating for some aid for their countrymen.
But when the envoys to Athens returned without having accomplished anything, the people of Mytilene and the rest of Lesbos, except Methymna, began war; the Methymnaeans, however, supported the Athenians, as did also the Imbrians, Lemnians, and a few of the other allies.