Publons displays citation counts in several places on the site.  This data is sourced from Web of Science and is reporting the total number of citations a publication has received in the Web of Science Core Collection.  Citation counts give you an easy overview of your collected works, you'll find them in the following places:

Note we can only retrieve citation counts for papers which have a DOI associated in our database.  If any of your records is without a DOI you can add it on the associated edit page.