The Book of Virtues
وَحَدَّثَنِيهِ مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا عَبْدُ الصَّمَدِ، حَدَّثَنَا الْمُثَنَّى، بِهَذَا الإِسْنَادِ .This hadith has been narrated on the authority of Muthanna through the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.