@misc{ enwiki:1228628354, author = "{Wikipedia contributors}", title = "Child labor in the United States --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Child_labor_in_the_United_States&oldid=1228628354", note = "[Online; accessed 1-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:1228628354, author = "{Wikipedia contributors}", title = "Child labor in the United States --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Child_labor_in_the_United_States&oldid=1228628354}", note = "[Online; accessed 1-July-2024]" }