Formerly pretty good free resource for academic citations now turned into a giant pile of steamy hot garbage by the incredible asswipes at Chegg, a corporate name that mostly calls forth the image of a debilitating sexually transmitted infection.
Recommend using instead: https://www.scribbr.com/citation/generator. At least until they also start demanding your firstborn daughter for each citation.
Correct citing can be learned, though.
It’s not a necessary tool for all fields. I don’t know your area but mathematics journals have vastly different style guides and citation standards. The best way to handle this is to export a bibtex citation which is just a list of metadata tags, then plug in the journal’s style header before compiling your TeX.