<iframe width="420" height="315" src="http://www.youtube.com/embed/Gclht3iOp-o" frameborder="0" allowfullscreen></iframe>
Versión para imprimir
<iframe width="420" height="315" src="http://www.youtube.com/embed/Gclht3iOp-o" frameborder="0" allowfullscreen></iframe>