@misc{ enwiki:1040151999, author = "{Wikipedia contributors}", title = "Llanfihangel-y-Pennant, Dolbenmaen --- {Wikipedia}{,} The Free Encyclopedia", year = "2021", url = "https://en.wikipedia.org/w/index.php?title=Llanfihangel-y-Pennant,_Dolbenmaen&oldid=1040151999", note = "[Online; accessed 11-July-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:1040151999, author = "{Wikipedia contributors}", title = "Llanfihangel-y-Pennant, Dolbenmaen --- {Wikipedia}{,} The Free Encyclopedia", year = "2021", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Llanfihangel-y-Pennant,_Dolbenmaen&oldid=1040151999}", note = "[Online; accessed 11-July-2024]" }