The scripture quotation in this verse comes from Deuteronomy 32.43. God’s chosen people is literally “his people.” The word “people,” when occurring in the singular, is used to distinguish the Jewish people (that is, the chosen people) from the Gentiles; and “his” is, of course, a reference to God.

The phrase with God’s chosen people may require certain special treatment in order to relate it satisfactorily to rejoice: “Join with God’s chosen people in rejoicing” or “Rejoice in company with God’s chosen people.”

Quoted with permission from Newman, Barclay M. and Nida, Eugene A. A Handbook on Paul’s Letter to the Romans. (UBS Handbook Series). New York: UBS, 1973. For this and other handbooks for translators see here .