The Book of Greetings
حَدَّثَنَاهُ عَبْدُ اللَّهِ بْنُ عَبْدِ الرَّحْمَنِ الدَّارِمِيُّ، أَخْبَرَنَا أَبُو الْيَمَانِ، حَدَّثَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، بِهَذَا الإِسْنَادِ نَحْوَهُ .This hadith has been reported on the authority of Zuhri with the same chain of transmitters
From Sahih Muslim, whose reports the scholars accept as authentic.