The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا عَبْدُ الْمَلِكِ بْنُ الصَّبَّاحِ الْمِسْمَعِيُّ، حَدَّثَنَا شُعْبَةُ، فِي هَذَا الإِسْنَادِ .This hadith has been narrated on the authority of Shu'ba with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.