Musnad Ahmad 329:1

'Abd al-Rahman ibn Mahdi narrated to us, he said: Malik narrated to us, from al-Zuhri; and 'Abd al-Razzaq said: Ma'mar informed us, from al-Zuhri, from 'Abbad ibn Tamim, from his uncle, who said: "I saw the Prophet, may Allah bless him and grant him peace" — 'Abd al-Razzaq said in his hadith: "in the mosque, placing one of his legs upon the other."