The Book on Government
وَحَدَّثَنِيهِ يَحْيَى بْنُ حَبِيبٍ، حَدَّثَنَا رَوْحُ بْنُ عُبَادَةَ، حَدَّثَنَا شُعْبَةُ، حَدَّثَنَا سَيَّارٌ، بِهَذَا الإِسْنَادِ مِثْلَهُ .This tradition has been handed down through another chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.