حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عَبْدُ الْوَهَّابِ الثَّقَفِيُّ، عَنْ حُمَيْدٍ، عَنْ أَنَسٍ، قَالَ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ بِالْبَقِيعِ فَنَادَى رَجُلٌ رَجُلاً يَا أَبَا الْقَاسِمِ فَالْتَفَتَ إِلَيْهِ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ فَقَالَ إِنِّي لَمْ أَعْنِكَ . فَقَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " تَسَمَّوْا بِاسْمِي وَلاَ تَكْتَنُوا بِكُنْيَتِي " .
It was narrated that Anas said: "The Messenger of Allah(PBUH) was in Baqi', and a man called out to another man: 'O Abul-Qasim!' The Messenger of Allah(PBUH) turned to him, and he said: 'I didn't mean you.' The Messenger of Allah(PBUH) said: 'Call yourselves by my name but do not call yourselves by my Kunyah.'" Translation Not Available
Book Ref: Sunan Ibn Majah Book 33 Hadith 3737
Web Ref: Sunan Ibn Majah Vol 5 Book 33 Hadith 3737