أَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ صَفْوَانَ بْنِ سُلَيْمٍ، عَنْ عَطَاءِ بْنِ يَسَارٍ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ غُسْلُ يَوْمِ الْجُمُعَةِ وَاجِبٌ عَلَى كُلِّ مُحْتَلِمٍ ‏"‏ ‏.‏

It was narrated from Abu Sa'eed Al-Khudri that: The Messenger of Allah (PBUH) said: "Ghusl on Friday is obligatory for everyone who has reached the age of puberty." Translation Not Available

Book Ref: Sunan An Nisai Book 14 Hadith 1378
Web Ref:  Sunan An Nisai Vol 2 Book 14 Hadith 1378