أَخْبَرَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنِ الْحَكَمِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ خَطَبَ رَسُولُ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏"‏ إِذَا رَاحَ أَحَدُكُمْ إِلَى الْجُمُعَةِ فَلْيَغْتَسِلْ ‏"‏ ‏.‏

It was narrated that Ibn 'Umar said: "The Messenger of Allah (PBUH) delivered a khutbah and said: 'When any one of you wants to go to Jumu'ah, let him perform ghusl.'" Translation Not Available

Book Ref: Sunan An Nisai Book 14 Hadith 1406
Web Ref:  Sunan An Nisai Vol 2 Book 14 Hadith 1406