@misc{ enwiki:1225191431, author = "{Wikipedia contributors}", title = "Geary Act --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Geary_Act&oldid=1225191431", note = "[Online; accessed 14-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:1225191431, author = "{Wikipedia contributors}", title = "Geary Act --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Geary_Act&oldid=1225191431}", note = "[Online; accessed 14-July-2024]" }