@misc{ enwiki:1215351118, author = "{Wikipedia contributors}", title = "Rupert, King of the Romans --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Rupert,_King_of_the_Romans&oldid=1215351118", note = "[Online; accessed 25-June-2024]" }
url
(\usepackage{url}
somewhere in the preamble), which tends to give much more nicely formatted web addresses, the following may be preferred:
@misc{ enwiki:1215351118, author = "{Wikipedia contributors}", title = "Rupert, King of the Romans --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Rupert,_King_of_the_Romans&oldid=1215351118}", note = "[Online; accessed 25-June-2024]" }