English Standard Version
If anyone’s will is to do God’s will, he will know whether the teaching is from God or whether I am speaking on my own authority.

American Standard Version
If any man willeth to do his will, he shall know of the teaching, whether it is of God, or whether I speak from myself.

Berean Study Bible
If anyone desires to do His will, he will know whether My teaching is from God or whether I speak on My own.

Douay-Rheims Bible
If any man do the will of him; he shall know of the doctrine, whether it be of God, or whether I speak of myself.

English Revised Version
If any man willeth to do his will, he shall know of the teaching, whether it be of God, or whether I speak from myself.

King James Bible
If any man will do his will, he shall know of the doctrine, whether it be of God, or whether I speak of myself.

World English Bible
If anyone desires to do his will, he will know about the teaching, whether it is from God, or if I am speaking from myself.

Young's Literal Translation
if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or -- I do speak from myself.

John 7:17 Additional Translations ...