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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai-kubra:1404 – Ismāʿīl b. Masʿūd > Bishr / Ibn al-Mufaḍḍal > Saʿīd > Qatādah > Zurārah b. Awfá > Saʿd b. Hishām > ʿĀʾishah

Aishah told him: "The Messenger of Allah ﷺ would not say the taslim for two rak'ahs during witr." (Using translation from Nasāʾī 1698)  

الكبرى للنسائي:١٤٠٤ – أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ قَالَ حَدَّثَنَا بِشْرٌ يَعْنِي ابْنَ الْمُفَضَّلِ قَالَ حَدَّثَنَا سَعِيدٌ عَنْ قَتَادَةَ عَنْ زُرَارَةَ بْنِ أَوْفَى عَنْ سَعْدِ بْنِ هِشَامٍ أَنَّ عَائِشَةَ حَدَّثَتْهُ

أَنَّ رَسُولَ اللهِ ﷺ كَانَ «لَا يُسَلِّمُ فِي رَكْعَتَيِ الْوِتْرِ»  

See similar narrations below:

Collected by Nasāʾī
nasai:1698 – Ismāʿīl b. Masʿūd > Bishr b. al-Mufaḍḍal > Saʿīd > Qatādah > Zurārah b. Awfá > Saʿd b. Hishām > ʿĀʾishah

Aishah told him: "The Messenger of Allah ﷺ would not say the taslim for two rak'ahs during witr."  

النسائي:١٦٩٨ – أَخْبَرَنَا إِسْمَاعِيلُ بْنُ مَسْعُودٍ قَالَ حَدَّثَنَا بِشْرُ بْنُ الْمُفَضَّلِ قَالَ حَدَّثَنَا سَعِيدٌ عَنْ قَتَادَةَ عَنْ زُرَارَةَ بْنِ أَوْفَى عَنْ سَعْدِ بْنِ هِشَامٍ أَنَّ عَائِشَةَ حَدَّثَتْهُ

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ لاَ يُسَلِّمُ فِي رَكْعَتَىِ الْوَتْرِ