Narrated 'Ali:
that the Messenger of Allah (ﷺ) said: "If I was going to appoint anyone as a leader without any consultation, I would appoint Ibn Umm 'Abd." (ID)
English reference (ID): Vol. 1, Book 46, Hadith 3809 (ID)
Arabic reference (ID): Book 49, Hadith 4179 (ID)