Highlights comes with some special power tools for academics. The PDF underline tool for reference lookups is a super fast and easy way to get to the source of a reference without touching the keyboard.
How do I enable it?
Go to Preferences –> PDF –> Underlining power tools and select a color for your reference lookups:
This color should be a color you do not use for other types of annotations as it will no longer be extracted along aside your regular annotations.
How do I use it?
To look up a reference, select the text in the PDF and underline it using the color you set in the preferences:
If the references are ordered by number you can include the numbering:
Underlined references show up at the bottom in the notes panel:
Highlights will do an online search for the reference and if successful link it to the source:
If the reference number is included in the underlined text, Highlights will look for this number in your notes. Here is an instance of it in a highlighted section:
..and replaces it with a footnote-link to the reference at the bottom: