With this account, he said, a man who had apostatized from Islam was brought to Abu Musa, and he called him to return to Islam for twenty nights or thereabouts. Then Muaz arrived and called him to return, but he refused, so he struck off his neck.
حدثنا محمد بن العلاء حدثنا حفص حدثنا الشيباني
بهذه القصة قال فأتي أبو موسى برجل قد ارتد عن الإسلام فدعاه عشرين ليلة أو قريبا منها فجاء معاذ فدعاه فأبى فضرب عنقه
No references are available.
[Its isnad is sahih] See the previous hadith. Bayhaqi: 8/206 also narrated it, from the hadith of Abu Dawud, by the same wording.