@misc{ enwiki:1218441004, author = "{Wikipedia contributors}", title = "The Crowd: A Study of the Popular Mind --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=The_Crowd:_A_Study_of_the_Popular_Mind&oldid=1218441004", note = "[Online; accessed 24-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:1218441004, author = "{Wikipedia contributors}", title = "The Crowd: A Study of the Popular Mind --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=The_Crowd:_A_Study_of_the_Popular_Mind&oldid=1218441004}", note = "[Online; accessed 24-June-2024]" }