(9) باب وُجُوبِ الإِحْدَادِ فِي عِدَّةِ الْوَفَاةِ وَتَحْرِيمِهِ فِي غَيْرِ ذَلِكَ إِلاَّ ثَلاَثَةَ أَيَّامٍ
A hadith like this is transmitted on the authority of Nafi'. (IT)
Reference (IT): Sahih Muslim 1490 b (IT)
In-book reference (IT): Book 18, Hadith 81 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 9, Hadith 3546 (IT)