(13) باب رَدِّ السَّلاَمِ عَلَى أَهْلِ الذِّمَّةِ
It was narrated that Anas bin Malik said "the Messenger of Allah(ﷺ) said":
"When any of the People of the Book greets you with Salam (peace), then say, Wa 'alaikum(and also upon you)." (JA)
Reference (JA): Sunan Ibn Majah 3697 (JA)
In-book reference (JA): Book 33, Hadith 41 (JA)
English translation (JA): Vol. 5, Book 33, Hadith 3697 (JA)