The Book of Water
2/12. Chapter:
The Concession Regarding The Leftovers Of One Who Is Junub
Sunan an-Nasai
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّهَا كَانَتْ تَغْتَسِلُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم فِي الإِنَاءِ الْوَاحِدِ .
It was narrated from 'Aishah that she used to perform Ghusl with the Messenger of Allah (ﷺ) from a single vessel.
Reference : Sunan an-Nasa'i 344In-book reference : Book 2, Hadith 20English translation : Vol. 1, Book 2, Hadith 345