GOD'S WORD® Translation
Jesus replied, "I can guarantee that if they are quiet, the stones will cry out."

American Standard Version
And he answered and said, I tell you that, if these shall hold their peace, the stones will cry out.

Berean Study Bible
“I tell you,” He answered, “if they remain silent, the very stones will cry out.”

Douay-Rheims Bible
To whom he said: I say to you, that if these shall hold their peace, the stones will cry out.

English Revised Version
And he answered and said, I tell you that, if these shall hold their peace, the stones will cry out.

King James Bible
And he answered and said unto them, I tell you that, if these should hold their peace, the stones would immediately cry out.

World English Bible
He answered them, "I tell you that if these were silent, the stones would cry out."

Young's Literal Translation
and he answering said to them, 'I say to you, that, if these shall be silent, the stones will cry out!'

Luke 19:40 Additional Translations ...