Praying After The Friday Prayer Sunan Abi Dawud 1127
Translation
Nafi' said
Ibn 'Umar saw a man praying two rak'ahs on the day of Jumu'ah in his place, so he pushed him and said, "Do you pray Jumu'ah four rak'ahs?" And 'Abdullah used to pray two rak'ahs on the day of Jumu'ah in his house and say, "Thus did the Messenger of Allah (ﷺ)."