(1) The Book of Purification and its Sunnah
كتاب الطهارة وسننها
(131) Chapter: Performing prayer in the garment of a menstruating woman
(131) باب فِي الصَّلاَةِ فِي ثَوْبِ الْحَائِضِ
Sunan Ibn Majah 652 
It was narrated that 'Aishah said:
"The Messenger of Allah was performing prayer, and I was by his side. I was menstruating, and I was wearing a wool cloak, and part of it was over him."
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، عَنْ طَلْحَةَ بْنِ يَحْيَى، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُتْبَةَ، عَنْ عَائِشَةَ، قَالَتْ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ يُصَلِّي وَأَنَا إِلَى جَنْبِهِ وَأَنَا حَائِضٌ وَعَلَىَّ مِرْطٌ لِي وَعَلَيْهِ بَعْضُهُ ‏.‏
Grade :  Sahih (Darussalam)
Reference : Sunan Ibn Majah 652
In-book reference : Book 1, Hadith 386
English translation : Vol. 1, Book 1, Hadith 652