@misc{ enwiki:1228717547, author = "{Wikipedia contributors}", title = "List of first satellites by country --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=List_of_first_satellites_by_country&oldid=1228717547", 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:1228717547, author = "{Wikipedia contributors}", title = "List of first satellites by country --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=List_of_first_satellites_by_country&oldid=1228717547}", note = "[Online; accessed 1-July-2024]" }