Narrated Ibn `Abbas concerning:
"As We have sent down (the Scripture) on those who are divided (Jews and Christians)." (15.90) They believed in part of it and disbelieved in the other, (and they) are the Jews and the Christians.
USC-MSA web (English) reference: Vol. 6, Book 60, Hadith 229
Arabic reference: Book 65, Hadith 4706