@misc{ enwiki:1188251259, author = "{Wikipedia contributors}", title = "1848–49 United States House of Representatives elections --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=1848%E2%80%9349_United_States_House_of_Representatives_elections&oldid=1188251259", note = "[Online; accessed 15-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:1188251259, author = "{Wikipedia contributors}", title = "1848–49 United States House of Representatives elections --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=1848%E2%80%9349_United_States_House_of_Representatives_elections&oldid=1188251259}", note = "[Online; accessed 15-July-2024]" }