ENOfficial
Narrated An-Nu'man ibn Bashir: The Prophet (ﷺ) said: about a man who had (unlawful) intercourse with his wife's slave girl: If she made her lawful for him, he will be flogged one hundred lashes; if she did not make her lawful for him, I shall stone him.
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، عَنْ شُعْبَةَ، عَنْ أَبِي بِشْرٍ، عَنْ خَالِدِ بْنِ عُرْفُطَةَ، عَنْ حَبِيبِ بْنِ سَالِمٍ، عَنِ النُّعْمَانِ بْنِ بَشِيرٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم فِي الرَّجُلِ يَأْتِي جَارِيَةَ امْرَأَتِهِ قَالَ " إِنْ كَانَتْ أَحَلَّتْهَا لَهُ جُلِدَ مِائَةً وَإِنْ لَمْ تَكُنْ أَحَلَّتْهَا لَهُ رَجَمْتُهُ " .
sunnah.com