King James Version
And when the disciples saw him walking on the sea, they were troubled, saying, It is a spirit; and they cried out for fear.English Standard Version
But when the disciples saw him walking on the sea, they were terrified, and said, "It is a ghost!" and they cried out in fear.New International Version
When the disciples saw him walking on the lake, they were terrified. "It's a ghost," they said, and cried out in fear.