Sunan Abi Dawud 1391
سنن أبي داود#1391SahihKhaithamah reported that 'Abd Allah b. 'Amr said:The Messenger of Allah (ﷺ) said to me: Recite the Qur'an in one month. I said: I have (more) energy. He said: Recite it in three days Abu 'Ali said: I heard Abu Dawud say: I heard Ahmad b. Hanbal say: The narrator 'Isa b. Shadhan is a sane person
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih
Shuaib Al ArnautHasan
Zubair Ali ZaiSahih
In-book reference: 6:21