Loop posts from specific category 'cat' => 18 // the category ID # 'showposts' => 16 // the # of posts to display

wordpress-loop-posts-in-category.php

/* remove `post_type` if not using a custom post type */
<?php query_posts( array( 'post_type' => 'your_category_title', 'cat' => 18, 'showposts' => 16 ) );
if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
  <h2><?php echo $post->post_title; ?></h2>
  <p><?php the_content(); ?></p>
  <a href="<?php echo get_permalink($post->ID); ?>">link</a>
<?php endwhile; endif; wp_reset_query(); ?>