Download Plugin
Download the plugin Co-Authors Plus (by Mohammad Jangda, Daniel Bachhuber, Automattic)
Add to functions.php in your Child Theme
// shortcode to show multiple authors
function display_posts_multiple_authors() {
if ( function_exists( 'coauthors_posts_links' ) ) {
coauthors_posts_links();
} else {
the_author_posts_link();
}
}
add_shortcode('multipleauthors', 'display_posts_multiple_authors');
In the post page on Elementor, modify the Author and change it to “Custom” then select the Dynamic Field icon and select Shortcode and add the following
[multipleauthors]