The Book of Jihad and Expeditions
حَدَّثَنَاهُ ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا عُبَيْدُ اللَّهِ، بِهَذَا الإِسْنَادِ مِثْلَهُ وَلَمْ يَذْكُرْ فِي النَّفَلِ .The same tradition has been narrated on the authority of Ubaidullah by a different chain of transmitters who do not mention the words:" from the booty
From Sahih Muslim, whose reports the scholars accept as authentic.