Maliks Muwatta Book 30, Hadith Number 16.
Section : Suckling in General. Yahya related to me from Malik that Muhammad ibn Abd ar-Rahman ibn Nawfal said, ”Urwa ibn az-Zubayr informed me from A’isha umm al-muminin that Judama bint Wahb al-Asadiyya informed her that she heard the Messenger…