NET

17 This is what the Lord has said: “By this you will know that I am the Lord: I am going to strike the water of the Nile with the staff that is in my hand, and it will be turned into blood.

Darby

17 Thus saith Jehovah: In this shalt thou know that I am Jehovah behold, I will smite with the staff that is in my hand upon the water which is in the river, and it shall be turned into blood.

KJV

17 Thus saith the LORD, In this thou shalt know that I [am] the LORD: behold, I will smite with the rod that [is] in mine hand upon the waters which [are] in the river, and they shall be turned to blood.