This displays custom post type. Genesis framework is being used.
add_action('genesis_entry_content', 'display_custom_posts');
function display_custom_posts() {
$args = array( 'post_type' => 'post_type_name', 'posts_per_page' => -1 );
$loop = new WP_Query( $args );
while ( $loop->have_posts() ) : $loop->the_post();
echo '<li>';
echo '<a rel="' .get_permalink(). '" href="' .get_permalink(). ' ">';
the_title();
echo '</a>';
echo '</li>';
endwhile;
// Reset Post Data
wp_reset_postdata();
}