<?php
$args = array(
'posts_per_page' => 1,
'post_type' => 'whitepaper',
'tax_query' => array(
array(
'taxonomy' => 'whitepaper_tag',
'field' => 'term_id',
'terms' => get_field('whitepaper'),
)
)
);
query_posts( $args );
while ( have_posts() ) : the_post();
?>
<!-- HTML here -->
<?php endwhile; ?>
<?php wp_reset_query(); ?>