Seems like an issue with the EDTF date format being used in the metadata for that item: [1980..2009]
Message | Error: Call to undefined method EDTF\Model\Set::getYear() in Drupal\citation_select\Plugin\CitationFieldFormatter\EdtfDateFormatter->parseDate() (line 25 of /var/www/D9-menus/web/modules/contrib/citation_select/src/Plugin/CitationFieldFormatter/EdtfDateFormatter.php)
Citation Generation fails on some cases:
https://menus2.digital.utsc.utoronto.ca/61220/utsc39101
Seems like an issue with the EDTF date format being used in the metadata for that item:
[1980..2009]