@misc{ enwiki:1027828377, author = "{Wikipedia contributors}", title = "Postal voting --- {Wikipedia}{,} The Free Encyclopedia", year = "2021", url = "https://en.wikipedia.org/w/index.php?title=Postal_voting&oldid=1027828377", note = "[Online; accessed 6-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:1027828377, author = "{Wikipedia contributors}", title = "Postal voting --- {Wikipedia}{,} The Free Encyclopedia", year = "2021", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Postal_voting&oldid=1027828377}", note = "[Online; accessed 6-July-2024]" }