New American Standard Bible (©1995)
"If they will not believe you or heed the witness of the first sign, they may believe the witness of the last 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.
Darby Bible Translation
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 other 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.
Online Parallel Bible