Sahih Muslim , Book 19, Hadith 4468 (USC-MSA) ⓘ
It has been narrated by Buraida who heard it from his father that he joined the Messenger of Allah in sixteen military campaigns
وَحَدَّثَنِي أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا مُعْتَمِرُ بْنُ سُلَيْمَانَ، عَنْ كَهْمَسٍ، عَنِ ابْنِ بُرَيْدَةَ، عَنْ أَبِيهِ، أَنَّهُ قَالَ غَزَا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم سِتَّ عَشْرَةَ غَزْوَةً .
also referenced under: Book 32, Hadith 178 (In-Book) & Hadith 1814 (Reference)