Muwatta Malik #103
Purity
Yahya related to me from Malik from Ibn Shihab from Said ibn al-
Musayyab that Umar ibn al-Khattab and Uthman ibn Affan and A'isha, the
wife of the Prophet, may Allah bless him and grant him peace, used to
say, "When the circumcised part touches the circumcised part, ghusl is
obligatory."
Topics
About Muwatta Malik
This hadith is #103 from Muwatta Malik, in the Book of Purity. Muwatta Malik contains 1,985 hadiths across 61 books.