Sahih Muslim 2702
Sahih Muslim · Book 48: The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness · It Is Recommend To Pray For Forgiveness A Great Deal
حَدَّثَنَاهُ عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ ، حَدَّثَنَا أَبِي ح، وَحَدَّثَنَا ابْنُ الْمُثَنَّى ، حَدَّثَنَا أَبُو دَاوُدَ ، وَعَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ كُلُّهُمْ عَنْ شُعْبَةَ ، فِي هَذَا الإِسْنَادِ .
This hadith has been narrated on the authority of Shu'ba with the same chain of transmitters.