@misc{ enwiki:1224776247, author = "{Wikipedia contributors}", title = "2018 Australian Open – Boys' singles --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=2018_Australian_Open_%E2%80%93_Boys%27_singles&oldid=1224776247", note = "[Online; accessed 30-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:1224776247, author = "{Wikipedia contributors}", title = "2018 Australian Open – Boys' singles --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=2018_Australian_Open_%E2%80%93_Boys%27_singles&oldid=1224776247}", note = "[Online; accessed 30-June-2024]" }