Witr is a rak'ah at the end of the prayer.  

قَالَ رَسُولُ اللَّهِ ﷺ الْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ  

Witr is a rak'ah at the end of the night prayer.  

عَنِ النَّبِيِّ ﷺ قَالَ الْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ  

The Prophet ﷺ said: "Witr is one rak'ah at the end of the night."  

أَنَّ النَّبِيَّ ﷺ قَالَ الْوَتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ  

The Prophet ﷺ said: "Witr is one rak'ah at the end of the night."  

عَنِ النَّبِيِّ ﷺ قَالَ الْوَتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ  

The Prophet ﷺ said: "Witr is one rak'ah at the end of the night." (Using translation from Nasāʾī 1689)   

عَنِ النَّبِيِّ ﷺ قَالَ صَلَاةُ اللَّيْلِ مَثْنَى مَثْنَى وَالْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ  

The Prophet ﷺ said: "Witr is one rak'ah at the end of the night." (Using translation from Nasāʾī 1690)  

عَنِ النَّبِيِّ ﷺ قَالَ الْوَتْرُ آخِرُ رَكْعَةٍ مِنَ اللَّيْلِ  

The Prophet ﷺ said: "Witr is one rak'ah at the end of the night." (Using translation from Nasāʾī 1689)  

عَنِ النَّبِيِّ ﷺ قَالَ «الْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ»  

[Machine] The Messenger of Allah ﷺ said, "The night prayer should be performed in pairs of two, and the Witr prayer should be a single unit of prayer at the end of the night."  

عَنْ رَسُولِ اللهِ ﷺ قَالَ «صَلَاةُ اللَّيْلِ مَثْنَى مَثْنَى وَالْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ»  

Witr is a rak'ah at the end of the night prayer. (Using translation from Muslim 752b)   

عَنِ النَّبِيِّ ﷺ قَالَ «الْوِتْرُ رَكْعَةٌ مِنْ آخِرِ اللَّيْلِ» خَالَفَهُ هَمَّامُ بْنُ يَحْيَى  

"صَلاَةُ اللَّيلِ مَثْنَىَ مثنى، وَالْوِترُ ركعةٌ مِنْ آخِرِ اللَّيْلِ".  

"الْوتْرُ رَكعَةٌ مِنْ آخِرِ اللَّيلِ".