@misc{ enwiki:1198695393, author = "{Wikipedia contributors}", title = "Wallraf–Richartz Museum --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Wallraf%E2%80%93Richartz_Museum&oldid=1198695393", note = "[Online; accessed 29-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:1198695393, author = "{Wikipedia contributors}", title = "Wallraf–Richartz Museum --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Wallraf%E2%80%93Richartz_Museum&oldid=1198695393}", note = "[Online; accessed 29-June-2024]" }