The Book of the Merits of the Companions
حَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، ح وَحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي قَالاَ، حَدَّثَنَا شُعْبَةُ، عَنْ سَعْدٍ، بِهَذَا الإِسْنَادِ مِثْلَهُ .This hadith has been narrated on the authority of Sa'd with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.