Hadith 1:133
Narrated Anas (rad):
Allah’s Messenger (ﷺ) said about the precept of a woman having ejaculation during sleep like a man, “She should take a Ghusl (bath)”. [Agreed upon]
وَعَنْ أَنَسِ]بْنِ مَالِكٍ] - رضى الله عنه - قَالَ: { قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم --فِي اَلْمَرْأَةِ تَرَى فِي مَنَامِهَا مَا يَرَى اَلرَّجُلُ- قَالَ: "تَغْتَسِلُ" } مُتَّفَقٌ عَلَيْه ِ (133)
Original Reference: Bulugh al-Maram 111