Jami` at-Tirmidhi, Book 49, Hadith 4179 (In-Book) ⓘ
Narrated 'Ali: that the Messenger of Allah said: "If I was going to appoint anyone as a leader without any consultation, I would appoint Ibn Umm 'Abd."
حَدَّثَنَا سُفْيَانُ بْنُ وَكِيعٍ، حَدَّثَنَا أَبِي، عَنْ سُفْيَانَ الثَّوْرِيِّ، عَنْ أَبِي إِسْحَاقَ، عَنِ الْحَارِثِ، عَنْ عَلِيٍّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لَوْ كُنْتُ مُؤَمِّرًا أَحَدًا مِنْ غَيْرِ مَشُورَةٍ لأَمَّرْتُ ابْنَ أُمِّ عَبْدٍ " .
also referenced under: Hadith 3809 (Reference) & Volume 6, Book 46, Hadith 3809 (DarusSalam)