(23) باب فِي الرَّجْمِ
Mujahid said:
"Apponting a way in the verse (iv.15) means prescribed punishment.Sufiyan said: "Punish them "refers to unmarried, and "confine them to houses" refers to the women who are married.
Reference: Sunan Abi Dawud 4414
In-book reference: Book 40, Hadith 64
English translation: Book 39, Hadith 4400