We see it all the time from big-time media outlets – more than one author getting credit on an article. In WordPress, however, giving credit to more than one author on a post is not possible out of the box.
The Co-Authors Plus plugin solves that problem.
How It Works
This plugin does take a little digging into your theme’s files. You will need to replace the snippet of code your theme uses to call the author in with code provided by the plugin. You can find instructions for this new snippet of code in the “Other Notes” section on the plugin page.
The plugin page gets into some detail about what you might replace your original author code with, but for a generic replacement you would look for a tag similar to “the_author” and replace it with something along the lines of the following:
if(function_exists('coauthors_posts_links')) coauthors_posts_links(); else the_author_posts_link();
Of course your theme may vary as to the exact tag that it uses to call in the the_author. It may have a customized version, but it will most likely still include the term “author.” Also, remember that you will need to insert the new code wherever you would like it to appear (e.g. single.php, index.php, archive.php, category.php).
The Plugin in Action
Once activated and set up, you will see a new selection below the area where you write your posts. The author who is logged in should already appear in the area. You can then type the name of the other author(s) that you would like to be associated with the post.
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Photo: Endless Writers from BigStock