Prescribed Punishments (Kitab Al-Hudud)
Dawud :: Book 38 : Hadith 4364
Narrated Nu'aym:
Ma'iz came to the Prophet (peace_be_upon_him) and admitted (having committed adultery) four times in his presence so he ordered him to be stoned to death, but said to Huzzal: If you had covered him with your garment, it would have been better for you.