Quran 29:46

وَلا تُجادِلوا أَهلَ الكِتابِ إِلّا بِالَّتي هِيَ أَحسَنُ إِلَّا الَّذينَ ظَلَموا مِنهُم ۖ وَقولوا آمَنّا بِالَّذي أُنزِلَ إِلَينا وَأُنزِلَ إِلَيكُم وَإِلٰهُنا وَإِلٰهُكُم واحِدٌ وَنَحنُ لَهُ مُسلِمونَ

Do not dispute with the People of the Book except in a manner which is best, barring such of them as are wrongdoers, and say, ‘We believe in that which has been sent down to us and has been sent down to you; our God and your God is one [and the same], and to Him do we submit.’

Quran 3:64

Say, ‘O People of the Book! Come to a word common between us and you: that we will worship no one but Allah, and that we will not ascribe any partner to Him, and that we will not take each other as lords besides Allah.’ But if they turn away, say, ‘Be witnesses that we are muslims.’