(6) باب ذِكْرِ الْمَلاَئِكَةِ
Narrated Ibn `Abbas:
Allah's Messenger (ﷺ) said, "Gabriel read the Qur'an to me in one way (i.e. dialect) and I continued asking him to read it in different ways till he read it in seven different ways."
Reference: Sahih al-Bukhari 3219
In-book reference: Book 59, Hadith 30
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 54, Hadith 442