Muwatta Malik 184
موطأ مالك#184SahihYahya related to me from Malik from Nafi that Abdullah ibn Umar used to recite the first ten suras of the mufassal in the subh prayer, and on a journey he would recite the ummal-Qur'an and a sura in every raka
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 3:17