The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
حَدَّثَنَاهُ مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ بَكْرٍ، حَدَّثَنَا سَعِيدٌ، عَنْ قَتَادَةَ، بِهَذَا الإِسْنَادِ .This hadith has been reported on the authority of Qatida with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.