Berean Study Bible
When you finish reading this scroll, tie a stone to it and cast it into the Euphrates.

King James Bible
And it shall be, when thou hast made an end of reading this book, that thou shalt bind a stone to it, and cast it into the midst of Euphrates:

American Standard Version
And it shall be, when thou hast made an end of reading this book, that thou shalt bind a stone to it, and cast it into the midst of the Euphrates:

Darby Bible Translation
And it shall be, when thou hast ended reading this book, [that] thou shalt bind a stone to it, and cast it into the midst of the Euphrates;

Douay-Rheims Bible
And when thou shalt have made an end of reading this book, thou shalt tie a stone to it, and shalt throw it into the midst of the Euphrates:

English Revised Version
And it shall be, when thou hast made an end of reading this book, that thou shalt bind a stone to it, and cast it into the midst of Euphrates:

Young's Literal Translation
And it hath come to pass, when thou dost finish reading this book, thou dost bind to it a stone, and hast cast it into the midst of Phrat,