[Plugin: Efficient Related Posts] Styling Manual Theme Placement?

Love the plugin, works fine on my website… but the problem is: if I manually input it into the theme, the styling disappears.

?php do_action(‘erp-show-related-posts’, array(‘title’=>’Most Related Posts’, ‘num_to_display’=>3, ‘no_rp_text’=>’No Related Posts Found’)); ?>

How can I maintain the <h4> and

class in there?

http://ww.wp.xz.cn/extend/plugins/efficient-related-posts/