No, fijate en este ejemplo de
www.w3c.org como se usa...
Código HTML:
<BLOCKQUOTE cite="http://www.mycom.com/tolkien/twotowers.html">
<P>They went in single file, running like hounds on a strong scent,
and an eager light was in their eyes. Nearly due west the broad
swath of the marching Orcs tramped its ugly slot; the sweet grass
of Rohan had been bruised and blackened as they passed.</P>
</BLOCKQUOTE>
Osea, cuando pones un bloque de cita, el "cite" te sirve para decir de donde viene esa cita, cual es su origen. Tambien podrias poner al autor de la cita si no me equivoco.