@misc{ enwiki:1216023726, author = "{Wikipedia contributors}", title = "1986 International Formula 3000 Championship --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=1986_International_Formula_3000_Championship&oldid=1216023726", note = "[Online; accessed 12-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:1216023726, author = "{Wikipedia contributors}", title = "1986 International Formula 3000 Championship --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=1986_International_Formula_3000_Championship&oldid=1216023726}", note = "[Online; accessed 12-July-2024]" }