Order by publication
In the Citation table, on the right side of the screen, you can click on the column headers in order to reorder the Citation list according to the selected criteria. For example, if you click on "Publication", the currently visible citations will be sorted in alphabetical order according to the publication title:
Order by publication
Note the little arrow indicating the sort order. If you click a second time, the sort order will reverse, and clicking a third time, the list will revert to being unordered.