A note about URLs
If you found your reference in an academic database (like Proquest Congressional Publications, or Hein Online), the database URL is not included.
If you found your reference on the open web (for example, govinfo.gov, add the DOI (or, if a DOI is not available, the URL), after the final period.
See page 296 of the Publication Manual of the American Psychological Association, (2020) for more information.