Abu Dawud said: This tradition has been narrated by Malik, Sufyan b. 'Uyainah, al-Awza'i, and 'Abd al-Razzaq from Ma'mar and Ibn Ishaq, none of them made a mention of the call for prayer (adman) in this version of the tradition narrated by al-Zuhri, and none of them attribute (this tradition) to him except al-Awza'i and Aban al-'Attar on the authority of Ma'mar.
In-book : Book 2, Hadith 46
English translation : Book 2, Hadith 436