King James Version (KJV) - Genesis 6:15 >

And this [is the fashion] which thou shalt make it [of:] The length of the ark [shall be] three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.

Jewish Publication Society of America Version (JPS1917) - Genesis 6:15 >

And this is how thou shalt make it: the length of the ark three hundred cubits, the breadth of it fifty cubits, and the height of it thirty cubits.