Hadithcore
Hadith #2112800

Narrated Anas bin Malik (RA):

The Prophet (ﷺ) used to have intercourse with his wives (one after another), with a single bathing. [Agreed upon. The wording is Muslim's].

وَعَنْ أَنَسِ بْنِ مَالِكٍ ‏- رضى الله عنه ‏- { أَنَّ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-كَانَ يَطُوفُ عَلَى نِسَائِهِ بِغُسْلٍ وَاحِدٍ } أَخْرَجَاهُ , وَاللَّفْظُ لِمُسْلِمٍ [1]‏ .‏

References2 variants
Sunnah.com reference
Book 8, Hadith 73
Arabic/English book reference
Book 8, Hadith 1036