You can copy a publication from the publication table and paste it into any text editor to get the TeX citation command for that publication's citation key. You can also drag and drop the publications.
This also works for multiple publications at once. Multiple selections
produce a single citation containing the highlighted references (i.e.,
The Cite Key allow for separate citations
If you need a different citation command, then you will want to use the Custom Citation Strings Drawer.
|The Custom Citation Strings Drawer|
|Inserting Formatted Bibliographies|