Sahih Muslim
The Book on General Behaviour (Kitab Al-Adab)
Book Number: 025 / Hadith Number: 5355
This hadith has been narrated on the authority of Yazid b. Khusaifa with the same chain of transmitters but with this addition: Abu Sa'id said: So I stood up, and went to 'Umar and gave witness (to what Abu Musa had said).