Sahih al-Bukhari 4132
Book 64: Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi) · Narrated by Ibn `Umar
Arabic
حَدَّثَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، قَالَ أَخْبَرَنِي سَالِمٌ، أَنَّ ابْنَ عُمَرَ ـ رضى الله عنهما ـ قَالَ غَزَوْتُ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم قِبَلَ نَجْدٍ، فَوَازَيْنَا الْعَدُوَّ فَصَافَفْنَا لَهُمْ.
English translation
Narrated Ibn `Umar:I took part in a Ghazwa towards Najd along with Allah's Messenger (ﷺ) and we clashed with the enemy, and we lined up for them
Reference: Sahih al-Bukhari 4132, Book of Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi). English translation by Dr. Muhammad Muhsin Khan.