Sahih Muslim , Book 55, Hadith 57 (In-Book) ⓘ
This hadith has been narrated on the authority of Wahb b. Kaisan with the same chain of transmitters but with this change that he said: " I earmark one-third for the poor, the needy and the wayfarers."
وَحَدَّثَنَاهُ أَحْمَدُ بْنُ عَبْدَةَ الضَّبِّيُّ، أَخْبَرَنَا أَبُو دَاوُدَ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ أَبِي سَلَمَةَ، حَدَّثَنَا وَهْبُ بْنُ كَيْسَانَ، بِهَذَا الإِسْنَادِ غَيْرَ أَنَّهُ قَالَ " وَأَجْعَلُ ثُلُثَهُ فِي الْمَسَاكِينِ وَالسَّائِلِينَ وَابْنِ السَّبِيلِ " .
also referenced under: Hadith 2984 (Reference) & Book 42, Hadith 7113 (USC-MSA)