Abu Dawud said: This tradition has been transmitted in a similar manner by Yahya b. Abi Kathir and Muhammad b. 'Amr from Abu Salamah.
In-book : Book 6, Hadith 2
English translation : Book 6, Hadith 1367
6. Prayer (Kitab Al-Salat): Detailed Injunctions about Ramadan
باب فِي قِيَامِ شَهْرِ رَمَضَانَ