Sahih Muslim , Book 5, Hadith 2359 (USC-MSA) ⓘ
This hadith has been narrated by Shu'ba with the same chain of transmitters (but with a slight variation of words, that he said): (O Allah), bless them."
وَحَدَّثَنَاهُ ابْنُ نُمَيْرٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ إِدْرِيسَ، عَنْ شُعْبَةَ، بِهَذَا الإِسْنَادِ غَيْرَ أَنَّهُ قَالَ " صَلِّ عَلَيْهِمْ " .
also referenced under: Book 12, Hadith 230 (In-Book) & Hadith 1078 (Reference)