Sunan Abi Dawud 1857
سنن أبي داود#1857Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، عَنْ دَاوُدَ، عَنِ الشَّعْبِيِّ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي لَيْلَى، عَنْ كَعْبِ بْنِ عُجْرَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ لَهُ " إِنْ شِئْتَ فَانْسُكْ نَسِيكَةً وَإِنْ شِئْتَ فَصُمْ ثَلاَثَةَ أَيَّامٍ وَإِنْ شِئْتَ فَأَطْعِمْ ثَلاَثَةَ آصُعٍ مِنْ تَمْرٍ لِسِتَّةِ مَسَاكِينَ " .
Ka’ab bin ‘Ujrah said that the Apostle of Allaah(ﷺ) said to him, If you like sacrifice an animal or if you like fast three days or if you like give three sa’s of dates to six poor people
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 11:137