Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:6199Muḥammad b. Idrīs Abū Ḥātim al-Rāzī > ʿUmar b. Ḥafṣ b. Ghiyāth from my father > Abū ʿUmays > ʿAbd al-Raḥman b. Muḥammad b. al-Ashʿath from his father from his grandfather > ʿAbdullāh

"I heard the Messenger of Allah say: 'If the two parties to a transaction disagree, and neither of them has any proof, then it is as the owner of the goods says, or they may cancel it.''' (Using translation from Nasāʾī 4648)  

الكبرى للنسائي:٦١٩٩أَخْبَرَنَا مُحَمَّدُ بْنُ إِدْرِيسَ أَبُو حَاتِمٍ الرَّازِيُّ قَالَ حَدَّثَنَا عُمَرُ بْنُ حَفْصِ بْنِ غِيَاثٍ قَالَ حَدَّثَنَا أَبِي عَنْ أَبِي عُمَيْسٍ قَالَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ مُحَمَّدِ بْنِ الْأَشْعَثِ عَنْ أَبِيهِ عَنْ جَدِّهِ قَالَ عَبْدُ اللهِ

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ «إِذَا اخْتَلَفَ الْبَيِّعَانِ وَلَيْسَ بَيْنَهُمَا بَيِّنَةٌ فَهُوَ مَا يَقُولُ رَبُّ السِّلْعَةِ أَوْ يَتْرُكَا»  


See similar narrations below:

Collected by Nasāʾī, Aḥmad, Suyūṭī
nasai:4648Muḥammad b. Idrīs > ʿUmar b. Ḥafṣ b. Ghiyāth from my father > Abū ʿUmays > ʿAbd al-Raḥman b. Muḥammad b. al-Ashʿath from his father from his grandfather > ʿAbdullāh

"I heard the Messenger of Allah say: 'If the two parties to a transaction disagree, and neither of them has any proof, then it is as the owner of the goods says, or they may cancel it.'''  

النسائي:٤٦٤٨أَخْبَرَنَا مُحَمَّدُ بْنُ إِدْرِيسَ قَالَ حَدَّثَنَا عُمَرُ بْنُ حَفْصِ بْنِ غِيَاثٍ قَالَ حَدَّثَنَا أَبِي عَنْ أَبِي عُمَيْسٍ قَالَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ بْنُ مُحَمَّدِ بْنِ الأَشْعَثِ عَنْ أَبِيهِ عَنْ جَدِّهِ قَالَ عَبْدُ اللَّهِ

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ إِذَا اخْتَلَفَ الْبَيِّعَانِ وَلَيْسَ بَيْنَهُمَا بَيِّنَةٌ فَهُوَ مَا يَقُولُ رَبُّ السِّلْعَةِ أَوْ يَتْرُكَا  

ahmad:4445my father > Wakīʿ > al-Masʿūdī > al-Qāsim > ʿAbdullāh b. Masʿūd

"I heard the Messenger of Allah say: 'If the two parties to a transaction disagree, and neither of them has any proof, then it is as the owner of the goods says, or they may cancel it.''' (Using translation from Nasāʾī 4648)   

أحمد:٤٤٤٥قَرَأْتُ عَلَى أَبِي حَدَّثَنَا وَكِيعٌ عَنِ الْمَسْعُودِيِّ عَنِ الْقَاسِمِ عَنْ عَبْدِ اللهِ بْنِ مَسْعُودٍ قَالَ

قَالَ رَسُولُ اللهِ ﷺ إِذَا اخْتَلَفَ الْبَيِّعَانِ وَلَيْسَ بَيْنَهُمَا بَيِّنَةٌ فَالْقَوْلُ مَا يَقُولُ صَاحِبُ السِّلْعَةِ أَوْ يَتَرَادَّانِ  

suyuti:1037a

"I heard the Messenger of Allah say: 'If the two parties to a transaction disagree, and neither of them has any proof, then it is as the owner of the goods says, or they may cancel it.''' (Using translation from Nasāʾī 4648)   

السيوطي:١٠٣٧a

"إذا اختلف البيِّعانِ وليس بينهما بيِّنةٌ، فهو ما يقولُ ربُّ السِّلْعَةِ أو يتتاركان" .  

[عم] زيادات عبد الله بن أحمد [د] أبو داود [ن] النسائي [ك] الحاكم في المستدرك [ق] البيهقى في السنن عن ابن مسعود