Please click on my name below and review the guidelines which include this:
When quoting a source, e.g. a website, article or book – be sure to include sufficient source information
“Catena Aurea Matthew 1” should be sufficient. The website I linked to is sometimes functioning and sometimes it is not.
I can expand it to “St. Thomas Aquinas, Catena Aurea. Matthew 1” if necessary, but most Catholics know the author.