Sunan an-Nasa'i, Volume 5, Book 44, Hadith 4516 (DarusSalam) ⓘ
It was narrated that Abu Sa'eed Al-Khudri said: "The messenger of Allah forbade two kinds of transactions: Mulamash and Mumabadha."
أَخْبَرَنَا الْحُسَيْنُ بْنُ حُرَيْثٍ الْمَرْوَزِيُّ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنِ الزُّهْرِيِّ، عَنِ عَطَاءِ بْنِ يَزِيدَ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنْ بَيْعَتَيْنِ عَنِ الْمُلاَمَسَةِ وَالْمُنَابَذَةِ .
also referenced under: Hadith 4512 (Reference) & Book 44, Hadith 64 (In-Book)