Sahih Bukhari
Sahih Bukhari Volume 001, Book 008, Hadith Number 351.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 08. Prayers (Salat)
Narated By 'Umar bin Abi Salama : I saw the Prophet offering prayers in a single garment in the house of Um-Salama and he had crossed its ends around his shoulders.