Narrated 'Abdullah bin 'Amr:
that the Messenger of Allah (ﷺ) said: "Take the Qur'an from four: From Ibn Mas'ud, Ubayy bin Ka'b, Mu'adh bin Jabal, and Salim the freed slave of Abu Hudhaifah." (IT)
English reference (IT): Vol. 1, Book 46, Hadith 3810 (IT)
Arabic reference (IT): Book 49, Hadith 4180 (IT)