وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يُصَلِّي فِي مَسْجِدِ ذِي الْحُلَيْفَةِ رَكْعَتَيْنِ فَإِذَا اسْتَوَتْ بِهِ رَاحِلَتُهُ أَهَلَّ ‏.‏

Yahya related to me from Malik from Hisham ibn Urwa from hisfather that the Messenger of Allah, may Allah bless him and grant himpeace, used to pray two rakas in the mosque at Dhu'l-Hulayfa, andthen, when he had got on to his camel and it had stood up, he wouldbegin doing talbiya. Translation Not Available

Book Ref: Muwatta Imam Malik Book 20 Hadith 737
Web Ref:  Muwatta Imam Malik Book 20 Hadith 29