The Division of Spoils and Dishonesty regarding them - Section 2 Mishkat al-Masabih 4008
Arabic hadith text
وَعَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ يُنَفِّلُ الرُّبُعَ بَعْدَ الْخُمُسِ وَالثُّلُثَ بَعْدَ الْخُمُسِ إِذَا قَفَلَ. رَوَاهُ أَبُو دَاوُدَ
Translation
He said that God’s Messenger used to give a quarter as booty after the fifth had been kept off, and a third after the fifth had been kept off when he returned. Abu Dawud transmitted it.