Abu Dawud said: Yahya b. Habib said: Umayyah b. Safwan. He did not say: I heard from Kaladah b. Hanbal. Yahya also said: 'Amr b. 'Abd Allah b. Safwan told him that Kaladah b. al-Hanbal told him.
In-book : Book 43, Hadith 404
English translation : Book 42, Hadith 5157