@misc{ enwiki:1152431207, author = "{Wikipedia contributors}", title = "George L. Engel --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=George_L._Engel&oldid=1152431207", note = "[Online; accessed 27-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:1152431207, author = "{Wikipedia contributors}", title = "George L. Engel --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=George_L._Engel&oldid=1152431207}", note = "[Online; accessed 27-June-2024]" }