<?php $quotes = new WP_Query('post_type=quotes&posts_per_page=1&orderby=rand' );
if($quotes->have_posts()) : while($quotes->have_posts()) : $quotes->the_post(); ?>
	<blockquote><?php the_content(); ?>
		<p class="attribution">—<?php the_title(); ?></p>
	</blockquote>
<?php endwhile; endif; ?>