(4) باب فِي طَلاَقِ السُّنَّةِ
The aforesaid tradition has also been transmitted by Nafi' through a different chain of narrators. This version says Ibn 'Umar divorced a wife of his while she was menstruating pronouncing one divorce. He then narrated the rest of the tradition similar to the one narrated by Malik.
Reference: Sunan Abi Dawud 2180
In-book reference: Book 13, Hadith 6
English translation: Book 12, Hadith 2175