There are a number of good reasons to want to modify the citation information for a record. Here are a few:
1) Click on the record you want to modify.
2) Click on "Edit the selected document" in the column on the right.
There are two ways to edit citations: auto-fixing and manually editing them. Keep reading to learn how to do each of these.
1) Make corrections by using auto-fix.
1) Modify and annotate the record yourself.