Arabic (Original)
حَدَّثَنَا مُحَمَّدُ بْنُ عُبَيْدٍ حَدَّثَنَا عُبَيْدُ اللَّهِ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ اجْعَلُوا آخِرَ صَلَاتِكُمْ بِاللَّيْلِ وِتْرًا.
English Translation
Muhammad ibn Ubayd told us: Ubaydullah told us, from Nafi', from Ibn Umar, who said: The Messenger of Allah, peace and blessings be upon him, said: Make the last of your prayers at night an odd-numbered prayer.