English Standard Version
"But when you see the abomination of desolation standing where it ought not to be (let the reader understand), then let those who are in Judea flee to the mountains.New International Version
"When you see 'the abomination that causes desolation' standing where it does not belong--let the reader understand--then let those who are in Judea flee to the mountains.Catholic Public Domain Version
Then, when you have seen the abomination of desolation, standing where it ought not to be, let the reader understand: then let those who are in Judea flee to the mountains