Hadithcore
Mishkat al-Masabih, 537

Ibn ‘Umar reported God’s messenger as saying, “When any of you goes to the Friday prayer he should bathe.” (Bukhari and Muslim.)

عَنِ ابْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِذَا جَاءَ أَحَدُكُمُ الْجُمُعَةَ فَلْيَغْتَسِلْ»

References1 variant
In-Book Reference
Book 3, Hadith 233