NET
4 As it is written in the book of the words of the prophet Isaiah, “The voice of one shouting in the wilderness: ‘Prepare the way for the Lord, make his paths straight.
Darby
4 as it is written in [the] book of [the] words of Esaias the prophet: Voice of one crying in the wilderness: Prepare ye the way of [the] Lord, make straight his paths.
KJV
4 As it is written in the book of the words of Esaias the prophet, saying, The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.