KJV - And the LORD said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.
ASV - And Jehovah said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And Jehovah appointed a sign for Cain, lest any finding him should smite him.
BBE - And the Lord said, Truly, if Cain is put to death, seven lives will be taken for his. And the Lord put a mark on Cain so that no one might put him to death.
WEB - Yahweh said to him, "Therefore whoever slays Cain, vengeance will be taken on him sevenfold." Yahweh appointed a sign for Cain, lest any finding him should strike him.
YLT - And Jehovah saith to him, `Therefore -- of any slayer of Cain sevenfold it is required;' and Jehovah setteth to Cain a token that none finding him doth slay him.