King James Version
Therefore that disciple whom Jesus loved saith unto Peter, It is the Lord. Now when Simon Peter heard that it was the Lord, he girt his fisher's coat unto him, (for he was naked,) and did cast himself into the sea.English Standard Version
That disciple whom Jesus loved therefore said to Peter, "It is the Lord!" When Simon Peter heard that it was the Lord, he put on his outer garment, for he was stripped for work, and threw himself into the sea.Catholic Public Domain Version
Therefore, the disciple whom Jesus loved said to Peter, "It is the Lord." Simon Peter, when he had heard that it was the Lord, wrapped his tunic around himself, (for he was naked) and he cast himself into the sea