Abu Dawud Book 2, Hadith Number 1482.
Chapter : Supplications.
Narated By Anas ibn Malik : I saw the Apostle of Allah (PBUH) supplicating Allah in this manner with the palms of his hands and also with their backs upwards.
Narated By Anas ibn Malik : I saw the Apostle of Allah (PBUH) supplicating Allah in this manner with the palms of his hands and also with their backs upwards.