@misc{ enwiki:1227821178, author = "{Wikipedia contributors}", title = "The Pink and the Green --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=The_Pink_and_the_Green&oldid=1227821178", note = "[Online; accessed 9-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:1227821178, author = "{Wikipedia contributors}", title = "The Pink and the Green --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=The_Pink_and_the_Green&oldid=1227821178}", note = "[Online; accessed 9-July-2024]" }