Abu Dawud Book 2, Hadith Number 1507.

Chapter : What a man should recite after giving the salutations in prayer.

Narated By ‘Aisha : When the Prophet (PBUH) uttered the salutation, he used to say: “O Allah, Thou art peace, and peace comes from Thee, Blessed art Thou, O Possessor of glory and honour.”

Abu Dawud said: Sufyan heard eighteen traditions from ‘Amr b. Murrah.