Abdullah is reported to have heard Allah's Messenger (ﷺ) as saying:
When any one of you intends to come for Jumu'a prayer, he should take a bath. (IT)
Reference (IT): Sahih Muslim 844 a (IT)
In-book reference (IT): Book 7, Hadith 1 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1832 (IT)