(Imām Bukhārī narrates): Ali bin Abdullah narrated the hadith to us, he said: Abdul A'la narrated the hadith to us, he said: Ma'mar narrated the hadith to us, from az-Zuhri, from Hazrat Abdullah bin Amir, from his father, he said:
I saw the Prophet ﷺ offering prayer upon his mount, whichever direction it faced.
حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا عَبْدُ الأَعْلَى، قَالَ حَدَّثَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ عَبدِ اللَّهِ بْنِ عَامِرِ بْنِ رَبِيعَةَ، عَنْ أَبِيهِ، قَالَ
رَأَيْتُ النَّبِيَّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ يُصَلِّي عَلَى رَاحِلَتِهِ حَيْثُ توَجَّهَتْ بِهِ
Reference: Sahih Al Bukhari 1093