- name: citation
  schema:
    anyOf:
      - ref: citation-item
      - boolean
  description:
    short: Citation information for the document itself.
    long: |
      Citation information for the document itself specified as [CSL](https://docs.citationstyles.org/en/stable/specification.html) 
      YAML in the document front matter.

      For more on supported options, see [Citation Metadata](https://quarto.org/docs/reference/metadata/citation.html).
