Here is a simple example:

a field under meta-boxes

piklist('field', array(
  'type' => 'text'
  ,'field' => 'page_title'
  ,'label' => 'Page Title'
));

Display in front end

<?php 
    $page_title = get_post_meta( get_the_ID(), 'page_title', true );
    echo $page_title;
?>