Apollodorus Library 2.5.9

[9]
  The ninth labour he enjoined on Hercules was to bring the belt of Hippolyte. ¹ She was queen of the Amazons, who dwelt about the river Thermodon, a people great in war; for they cultivated the manly virtues, and if ever they gave birth to children through intercourse with the other sex, they reared the females; and they pinched off the right breasts that they might not be trammelled by them in throwing the javelin, but they kept the left breasts, that they might suckle. Now Hippolyte had the belt of Ares in token of her superiority to all the rest. Hercules was sent to fetch this belt because Admete, daughter of Eurystheus, desired to get it. So taking with him a band of volunteer comrades in a single ship he set sail and put in to the island of Paros, which was inhabited by the sons of Minos, ² to wit, Eurymedon, Chryses, Nephalion, and Philolaus. But it chanced that two of those in the ship landed and were killed by the sons of Minos. Indignant at this, Hercules killed the sons of Minos on the spot and besieged the rest closely, till they sent envoys to request that in the room of the murdered men he would take two, whom he pleased. So he raised the siege, and taking on board the sons of Androgeus, son of Minos, to wit, Alcaeus and Sthenelus, he came to Mysia, to the court of Lycus, son of Dascylus, and was entertained by him; and in a battle between him and the king of the Bebryces Hercules sided with Lycus and slew many, amongst others King Mygdon, brother of Amycus. And he took much land from the Bebryces and gave it to Lycus, who called it all Heraclea.
  Having put in at the harbor of Themiscyra, he received a visit from Hippolyte, who inquired why he was come, and promised to give him the belt. But Hera in the likeness of an Amazon went up and down the multitude saying that the strangers who had arrived were carrying off the queen. So the Amazons in arms charged on horseback down on the ship. But when Hercules saw them in arms, he suspected treachery, and killing Hippolyte stripped her of her belt. And after fighting the rest he sailed away and touched at Troy.
  But it chanced that the city was then in distress consequently on the wrath of Apollo and Poseidon. For desiring to put the wantonness of Laomedon to the proof, Apollo and Poseidon assumed the likeness of men and undertook to fortify Pergamum for wages. But when they had fortified it, he would not pay them their wages. ³ Therefore Apollo sent a pestilence, and Poseidon a sea monster, which, carried up by a flood, snatched away the people of the plain. But as oracles foretold deliverance from these calamities if Laomedon would expose his daughter Hesione to be devoured by the sea monster, he exposed her by fastening her to the rocks near the sea. ⁴ Seeing her exposed, Hercules promised to save her on condition of receiving from Laomedon the mares which Zeus had given in compensation for the rape of Ganymede. ⁵ On Laomedon's saying that he would give them, Hercules killed the monster and saved Hesione. But when Laomedon would not give the stipulated reward, ⁶ Hercules put to sea after threatening to make war on Troy. ⁷
  And he touched at Aenus, where he was entertained by Poltys. And as he was sailing away he shot and killed on the Aenian beach a lewd fellow, Sarpedon, son of Poseidon and brother of Poltys. And having come to Thasos and subjugated the Thracians who dwelt in the island, he gave it to the sons of Androgeus to dwell in. From Thasos he proceeded to Torone, and there, being challenged to wrestle by Polygonus and Telegonus, sons of Proteus, son of Poseidon, he killed them in the wrestling match. ⁸ And having brought the belt to Mycenae he gave it to Eurystheus.