Index: quotes.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/quotes/quotes.module,v
retrieving revision 1.19.2.1.2.51
diff -u -r1.19.2.1.2.51 quotes.module
--- quotes.module   23 Feb 2009 01:43:42 -0000   1.19.2.1.2.51
+++ quotes.module   7 Sep 2009 04:47:24 -0000
@@ -632,6 +632,12 @@
         if (!$block['show_citation']) {
           unset($node->quotes_citation);
         }
+      else {
+        if( preg_match('/^(http|https|ftp):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,6}'
+.'((:[0-9]{1,5})?\/.*)?$/i' ,$node->quotes_citation)) {
+         $node->quotes_citation = l($node->quotes_citation, $node->quotes_citation, array('attributes' => array('target' => '_blank')));
+        }
+      }
         // We don't want bios in a block.
         unset($node->quotes_bio);
         // Quotes_view builds $node->content['body'].