@misc{ enwiki:1173558800, author = "{Wikipedia contributors}", title = "1856 United States Senate election in Pennsylvania --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=1856_United_States_Senate_election_in_Pennsylvania&oldid=1173558800", note = "[Online; accessed 27-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:1173558800, author = "{Wikipedia contributors}", title = "1856 United States Senate election in Pennsylvania --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=1856_United_States_Senate_election_in_Pennsylvania&oldid=1173558800}", note = "[Online; accessed 27-June-2024]" }