As far as I know, it’s not easy to link a specific page. Still, I created this shortcut to export all quotes from all apple books to the KeepIt and create a link between quotes and the apple book app (so you can click on the link and open the book on the quote you linked)
mb that can be useful to you
https://www.icloud.com/shortcuts/435dbf5e57054641beb98db23cffeb67
And here is a video example how it works