@misc{ enwiki:1228234833, author = "{Wikipedia contributors}", title = "1990 Guangzhou Baiyun airport collisions --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=1990_Guangzhou_Baiyun_airport_collisions&oldid=1228234833", note = "[Online; accessed 23-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:1228234833, author = "{Wikipedia contributors}", title = "1990 Guangzhou Baiyun airport collisions --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=1990_Guangzhou_Baiyun_airport_collisions&oldid=1228234833}", note = "[Online; accessed 23-July-2024]" }