NASB 1995
"If they will not believe you or heed the witness of the first sign, they may believe the witness of the last sign.

American Standard Version
And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.

Berean Study Bible
And the LORD said, “If they refuse to believe you or heed the witness of the first sign, they may believe that of the second.

Douay-Rheims Bible
If they will not believe thee, saith he, nor hear the voice of the former sign, they will believe the word of the latter sign.

English Revised Version
And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.

King James Bible
And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.

World English Bible
"It will happen, if they will neither believe you nor listen to the voice of the first sign, that they will believe the voice of the latter sign.

Young's Literal Translation
' -- and it hath come to pass, if they do not give credence to thee, and hearken not to the voice of the first sign, that they have given credence to the voice of the latter sign.

Exodus 4:8 Additional Translations ...