The Book of Adornment
48/58. Chapter:
Mentioning the Prohibition of Shaving Part of a Boy's Head and Leaving Part
Sunan an-Nasai
أَخْبَرَنَا أَحْمَدُ بْنُ عَبْدَةَ، قَالَ أَنْبَأَنَا حَمَّادٌ، قَالَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم نَهَى عَنِ الْقَزَعِ .
It was narrated from Ibn 'Umar that: The Prophet [SAW] forbade Al-Qaza' (shaving part of the head and leaving part).
Reference : Sunan an-Nasa'i 5228In-book reference : Book 48, Hadith 189English translation : Vol. 6, Book 48, Hadith 5230