How to use the citation-js.parse function in citation-js

if (cData.itemtype != null) {
            let itemtype = cData.itemtype

            if (cData.itemtype == "article") {
                itemtype = "article-journal"
            }

            json.type = itemtype
        }

        if (cData.volume != null) {
            json.volume = cData.volume
        }

        return Cite.parse.csl([json])
    }

default:return;break;
	  }
	});
      }