(87) باب الْوُضُوءِ لِمَنْ أَرَادَ أَنْ يَعُودَ
Abu sa'id al-Khudri reported :
The Prophet (May peace be upon him) said : When any of you has intercourse with his wife and desire to repeat it, he should perform ablution between them.
Reference: Sunan Abi Dawud 220
In-book reference: Book 1, Hadith 220
English translation: Book 1, Hadith 220