It was narrated that Abu Hurairah said:
"The Messenger of Allah (ﷺ) said: 'When any one of you prays jumu'ah let him pray four (rak'ahs) after that.'" (RU)
App reference (RU): Book 14, Hadith 63 (RU)
English reference (RU): Vol. 2, Book 14, Hadith 1427 (RU)
Arabic reference (RU): Book 14, Hadith 1437 (RU)