Sunan an-Nasa'i, Book 14, Hadith 1437 (In-Book) ⓘ
It was narrated that Abu Hurairah said: "The Messenger of Allah said: 'When any one of you prays jumu'ah let him pray four (rak'ahs) after that.'"
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا جَرِيرٌ، عَنْ سُهَيْلٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا صَلَّى أَحَدُكُمُ الْجُمُعَةَ فَلْيُصَلِّ بَعْدَهَا أَرْبَعًا " .
also referenced under: Volume 2, Book 14, Hadith 1427 (DarusSalam)