(8) باب فِي وَقْتِ الْوِتْرِ
Ibn 'Umar reported the Prophet (ﷺ) as suing:
Make the last of your prayer at night a witr. (RU)
Reference (RU): Sunan Abi Dawud 1438 (RU)
In-book reference (RU): Book 8, Hadith 23 (RU)
English translation (RU): Book 8, Hadith 1433 (RU)