The Book of Hajj
24/199. Chapter:
Khutbah On The Day Of Arfat Atop A Camel
Sunan an-Nasai
أَخْبَرَنَا مُحَمَّدُ بْنُ آدَمَ، عَنِ ابْنِ الْمُبَارَكِ، عَنْ سَلَمَةَ بْنِ نُبَيْطٍ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَخْطُبُ يَوْمَ عَرَفَةَ عَلَى جَمَلٍ أَحْمَرَ .
It was narrated from Salamah bin Nubait that his father said: "I saw the Messenger of Allah delivering a Khutbah on the day of Arafat atop a red camel."
Reference : Sunan an-Nasa'i 3008In-book reference : Book 24, Hadith 391English translation : Vol. 3, Book 24, Hadith 3011