Sahih Bukhari
Sahih Bukhari Volume 002, Book 013, Hadith Number 052.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 13. Friday Prayer
Narated By Jabir bin 'Abdullah : A person entered the mosque while the Prophet was delivering the Khutba on a Friday. The Prophet said to him, "Have you prayed?" The man replied in the negative. The Prophet said, "Get up and pray two Rakat."