Is citation style really an issue? Even if they don't state which style they expect, surely you can tell their expected style from their existing publications? With proper tooling (e.g. LaTeX+BibTeX) it's pretty painless to switch styles.
[0] https://blog.cr.yp.to/20240612-bibkeys.html, previously discussed on HN here [1].
There's a slight (but only slight) irony in your use of the HackerNews convention for handling multiple links without breaking up the body of the main text. In this short-form medium it works great. I see someone made this same point in the thread you linked, at https://news.ycombinator.com/item?id=40673426