It was narrated that Ibn 'Umar said:
"The Messenger of Allah (ﷺ) delivered a khutbah and said: 'When any one of you wants to go to Jumu'ah, let him perform ghusl.'" (DE)
App reference (DE): Book 14, Hadith 42 (DE)
English reference (DE): Vol. 2, Book 14, Hadith 1406 (DE)
Arabic reference (DE): Book 14, Hadith 1416 (DE)