New Revised Standard Version
and in order that the Gentiles might glorify God for his mercy. As it is written, “Therefore I will confess you among the Gentiles, and sing praises to your name”;

Contemporary English Version
so that the Gentiles would praise God for being kind to them. It is just as the Scriptures say, "I will tell the nations about you, and I will sing praises to your name."

New American Bible
but so that the Gentiles might glorify God for his mercy. As it is written: “Therefore, I will praise you among the Gentiles and sing praises to your name.”

Douay-Rheims Bible
But that the Gentiles are to glorify God for his mercy, as it is written: Therefore will I confess to thee, O Lord, among the Gentiles and will sing to thy name.

But that the Gentiles are to glorify God for his mercy, as it is written: Therefore will I confess to thee, O Lord, among the Gentiles and will sing to thy name.

For.

2 Samuel 22:50 Therefore will I give thanks to thee, O Lord, among the Gentiles, and will sing to thy name.

Psalm 18:49 Therefore will I give glory to thee, O Lord, among the nations, and I will sing a psalm to thy name.