Creating if statement for is_single to conditionally show css div code

Hi,

Maybe this isn’t hard, and I’m sure others want to do this, but I can’t get it to work. I’m on WP 2.6.5

GOAL: to have nicely formatted (including blockquote formatting) wp_link_pages at bottom of multi-page posts

So I want it to show on multi-page posts (<!–nextpage–>), but NOT on single page posts (as I don’t want formatting).

CODE:

<?php if(!is_single()) { ?>
   <div class="pagelink">
   <?php wp_link_pages('pagelink= %'); ?>
   </div>
<?php } ?>

Can’t get it to work. Sorry if obvious error, I’m new.