وَالْبَيْهَقِيُّ فِي «شُعَبِ الْإِيمَانِ» عَنْ مُحَمَّدِ بْنِ عبيد الله عَن أَبِيه. قَالَ: ذَكَرَ الْبُخَارِيُّ فِي التَّارِيخِ عَنْ مُحَمَّدِ بْنِ عبد الله عَن أَبِيه
Baihaqi, in Shu'ab al-iman, gave it on the authority of Muhammad b. ‘Ubaidallah who quoted his father’s authority. He said that Bukhari in his Ta’rikh mentioned it on the authority of Muhammad b. ‘Abdallah who quoted his father's authority.