The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ قَالاَ حَدَّثَنَا سَالِمُ بْنُ نُوحٍ الْعَطَّارُ، عَنْ سَعِيدِ، بْنِ أَبِي عَرُوبَةَ عَنْ قَتَادَةَ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِهَذَا الْحَدِيثِ .This hadith had been transmitted on the authority of Anas through another chain of narrators
From Sahih Muslim, whose reports the scholars accept as authentic.