The Book of Jihad and Expeditions
وَحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الرَّحْمَنِ بْنِ سَهْمٍ، أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ، أَخْبَرَنَا مَعْمَرٌ، عَنْ هَمَّامِ بْنِ مُنَبِّهٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم "الْحَرْبُ خُدْعَةٌ " .This hadith has also been narrated on the authority of Abu Huraira
From Sahih Muslim, whose reports the scholars accept as authentic.