@misc{ enwiki:1222021501, author = "{Wikipedia contributors}", title = "Cobalt silver rush --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Cobalt_silver_rush&oldid=1222021501", note = "[Online; accessed 5-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:1222021501, author = "{Wikipedia contributors}", title = "Cobalt silver rush --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Cobalt_silver_rush&oldid=1222021501}", note = "[Online; accessed 5-July-2024]" }