Al-Kāfi

Hadith 1776
temporary-marriage
3- عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَمَّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) قَالَ إِنَّمَا نَزَلَتْ فَمَا اسْتَمْتَعْتُمْ بِهِ مِنْهُنَّ إِلَى أَجَلٍ مُسَمًّى فَ‏آتُوهُنَّ أُجُورَهُنَّ فَرِيضَةً.
3. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from those whom he has mentioned who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘It was revealed as “If you marry them [for an appointed time] for al-Mut‘ah (advantageous marriage) you must pay their dowries.” (4:24)’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī