Sahih al-Bukhari 1004
Book 14: Witr Prayer · Narrated by Anas
Arabic
حَدَّثَنَا مُسَدَّدٌ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنَا خَالِدٌ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ، قَالَ كَانَ الْقُنُوتُ فِي الْمَغْرِبِ وَالْفَجْرِ.
English translation
Narrated Anas:The Qunut used to be recited in the Maghrib and the Fajr prayers
Reference: Sahih al-Bukhari 1004, Book of Witr Prayer. English translation by Dr. Muhammad Muhsin Khan.