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
tabarani:9425 – Muḥammad b. al-Naḍr al-Azdī > Muʿāwiyah b. ʿAmr > Zāʾidah > Layth > ʿAbd al-Raḥman b. al-Aswad from his father

[Machine] Abdullah used to recite "Qul Huwallahu Ahad" in the last Rak'ah of Witr, then he would raise his hands and make supplication before the Rak'ah.  

الطبراني:٩٤٢٥ – حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ الْأَزْدِيُّ ثنا مُعَاوِيَةُ بْنُ عَمْرٍو ثنا زَائِدَةُ عَنْ لَيْثٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْأَسْوَدِ عَنْ أَبِيهِ قَالَ

كَانَ عَبْدُ اللهِ يَقْرَأُ فِي آخِرِ رَكْعَةٍ مِنَ الْوِتْرِ قُلْ هُوَ اللهُ أَحَدٌ ثُمَّ يَرْفَعُ يَدَيْهِ فَيَقْنُتُ قَبْلَ الرَّكْعَةِ