@misc{ enwiki:1187551982, author = "{Wikipedia contributors}", title = "World Water Day --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=World_Water_Day&oldid=1187551982", note = "[Online; accessed 21-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:1187551982, author = "{Wikipedia contributors}", title = "World Water Day --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=World_Water_Day&oldid=1187551982}", note = "[Online; accessed 21-June-2024]" }