Sahih al-Bukhari #5118 · Wedlock, Marriage (Nikaah)

Sahih al-BukhariJabir bin 'Abdullah and Salama bin Al-Akwa'
Sahih al-Bukhari · Book 67 · Wedlock, Marriage (Nikaah)
Sahih al-Bukhari · كتاب 67 · كتاب النكاح
While we were in an army, Allah's Messenger (ﷺ) came to us and said, "You have been allowed to do the Mut'a (marriage), so do it
حَدَّثَنَا عَلِيٌّ، حَدَّثَنَا سُفْيَانُ، قَالَ عَمْرٌو عَنِ الْحَسَنِ بْنِ مُحَمَّدٍ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، وَسَلَمَةَ بْنِ الأَكْوَعِ، قَالاَ كُنَّا فِي جَيْشٍ فَأَتَانَا رَسُولُ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏
"‏ إِنَّهُ قَدْ أُذِنَ لَكُمْ أَنْ تَسْتَمْتِعُوا فَاسْتَمْتِعُوا ‏"‏‏.‏
Reference : Sahih al-Bukhari 5118In-book reference : Book 67, Hadith 54