Muwatta Malik #410
Shortening the Prayer
Yahya related to me from Malik from Rabia ibn Abi Abd ar-Rahman
that if Abdullah ibn Umar arrived at the mosque and the people had
already prayed, he would begin with the obligatory prayer and not pray
anything before it.
About Muwatta Malik
This hadith is #410 from Muwatta Malik, in the Book of Shortening the Prayer. Muwatta Malik contains 1,985 hadiths across 61 books.