Hi @kaijabean,
Yes, I can use markdown syntax directly to insert citations, but the feature I mean is that it detects automatically your bibliography (in .bib file, in zotero, etc.) and expand it, so I can choose from the expanded references the one wants to insert. Also, I asked because they refer to
You may insert citations using the Insert -> Citation command
Use the
toolbar button
And I did found neither the Insert command nor the
toolbar button in source mode