كتاب الحيض
3  
The Book of Menstruation
(14)
Chapter: The ghusl and the prayer of a woman who is suffering prolonged vaginal bleeding (istihadah)
(14)
باب الْمُسْتَحَاضَةِ وَغُسْلِهَا وَصَلاَتِهَا ‏
Sahih Muslim 334 d

The hadith has been narrated by 'A'isha through another chain of transmitters (in these words):

I The daughter of jahsh had been mustabida for seven years," and the rest of the hadith is the same (as mentioned above).
وَحَدَّثَنِي مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ الزُّهْرِيِّ، عَنْ عَمْرَةَ، عَنْ عَائِشَةَ، أَنَّ ابْنَةَ جَحْشٍ، كَانَتْ تُسْتَحَاضُ سَبْعَ سِنِينَ بِنَحْوِ حَدِيثِهِمْ ‏.‏
Reference : Sahih Muslim 334d
In-book reference : Book 3, Hadith 80
USC-MSA web (English) reference : Book 3, Hadith 657
  (deprecated numbering scheme)