This tutorial will help you get text like below:
Type your text, I'll be using my site's name Unbreakable.
Add effects if desired, if not continue to Step 3
Duplicate your layer.
Move the copied layer underneath the original text layer.
Go to edit > transform > flip vertical
Move the copied layer until your satisfied with its position.
Lower the opactity of the copied layer to what you think looks right, which should result to this:
If this helped, a link back