Hadithcore
Hadith #2115900

Habib bin Maslamah (RAA) narrated, ‘I witnessed the Messenger of Allah (ﷺ) give a quarter (of the war spoils) as an additional booty (to a Sariyah) when they gained booty on their way out to the fight, He also gave a third (of the war spoils) as an additional booty when they gained it on their way back. ‘Related by Abu Dawud, Ibn al-Garud, Ibn Hibban and Al-Hakim graded it as Sahih.

وَعَنْ حَبِيبِ بْنِ مَسْلَمَةٍ ‏- رضى الله عنه ‏- قَالَ: { شَهِدْتُ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-نَفَّلَ اَلرُّبْعَ فِي اَلْبَدْأَةِ, وَالثُّلُثَ فِي اَلرَّجْعَةِ } رَوَاهُ أَبُو دَاوُدَ, وَصَحَّحَهُ ابْنُ اَلْجَارُودِ, وَابْنُ حِبَّانَ, وَالْحَاكِمُ [1]‏ .‏

References2 variants
Sunnah.com reference
Book 11, Hadith 36
Arabic/English book reference
Book 11, Hadith 1332