(4) باب النَّهْىِ عَنِ ابْتِدَاءِ، أَهْلِ الْكِتَابِ بِالسَّلاَمِ وَكَيْفَ يَرُدُّ عَلَيْهِمْ
This hadith has been transmitted on the authority of Zuhri that Allah's Messenger (ﷺ) said:
I said 'Alaikum, and the transmitter did not make mention of the word "and". (ID)
Reference (ID): Sahih Muslim 2165 b (ID)
In-book reference (ID): Book 39, Hadith 12 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 26, Hadith 5385 (ID)