Sahih Bukhari
Sahih Bukhari Volume 008, Book 075, Hadith Number 354.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 75. Invocations
Narated By 'Abdullah bin Zaid : Allah's Apostle went out to this Musalla (praying place) to offer the prayer of Istisqa.' He invoked Allah for rain and then faced the Qibla and turned his Rida' (upper garment) inside out.