Apparently there are still researchers out there (no, I won’t name you) who have not heard of Zotero and Zotfile. Zotfile takes Zotero to another level by managing PDF files, including the ability to extract highlights and comments from PDF files. Try them.
Zotero Style for Ethnic and Racial Studies
A few weeks ago I have had a first go at creating a Zotero style (CSL) for Ethnic and Racial Studies (ESR). The CSL is available on GitHub. For comparison, the author instructions from the publisher. I haven’t checked it carefully, and the CSL is likely to differ in some regards.