American Standard Version
that they may all be one; even as thou, Father, art in me, and I in thee, that they also may be in us: that the world may believe that thou didst send me.

Berean Study Bible
that all of them may be one, as You, Father, are in Me, and I am in You. May they also be in Us, so that the world may believe that You sent Me.

Douay-Rheims Bible
That they all may be one, as thou, Father, in me, and I in thee; that they also may be one in us; that the world may believe that thou hast sent me.

English Revised Version
that they may all be one; even as thou, Father, art in me, and I in thee, that they also may be in us: that the world may believe that thou didst send me.

King James Bible
That they all may be one; as thou, Father, art in me, and I in thee, that they also may be one in us: that the world may believe that thou hast sent me.

World English Bible
that they may all be one; even as you, Father, are in me, and I in you, that they also may be one in us; that the world may believe that you sent me.

Young's Literal Translation
that they all may be one, as Thou Father art in me, and I in Thee; that they also in us may be one, that the world may believe that Thou didst send me.

John 17:21 Additional Translations ...