Yusuf Ali
The Unbelievers say: "No messenger art thou." Say: "Enough for a witness between me and you is Allah, and such as have knowledge of the Book."

Sahih International
And those who have disbelieved say, "You are not a messenger." Say, [O Muhammad], "Sufficient is Allah as Witness between me and you, and [the witness of] whoever has knowledge of the Scripture."

Shakir
And those who disbelieve say: You are not a messenger. Say: Allah is sufficient as a witness between me and you and whoever has knowledge of the Book.

Pickthall
They who disbelieve say: Thou art no messenger (of Allah). Say: Allah, and whosoever hath knowledge of the Scripture, is sufficient witness between me and you.

محمد جالندھری
اور کافر لوگ کہتے ہیں کہ تم (خدا کے) رسول نہیں ہو۔ کہہ دو کہ میرے اور تمہارے درمیان خدا اور وہ شخص جس کے پاس کتاب (آسمانی) کا علم ہے گواہ کافی ہیں