Sunan Ibn Majah, Book 33, Hadith 80 (In-Book) ⓘ
It was narrated from Muhammad that they heard Abu Hurairah say: "Abul Qasim said: 'Call yourselves by my name but do not call yourselves by my Kunyah."
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ أَيُّوبَ، عَنْ مُحَمَّدٍ، قَالَ سَمِعْتُ أَبَا هُرَيْرَةَ، يَقُولُ قَالَ أَبُو الْقَاسِمِ ـ صلى الله عليه وسلم ـ " تَسَمَّوْا بِاسْمِي وَلاَ تَكَنَّوْا بِكُنْيَتِي " .
also referenced under: Hadith 3735 (Reference) & Volume 5, Book 33, Hadith 3735 (DarusSalam)