@misc{ enwiki:480157821, author = "{Wikipedia contributors}", title = "AS-203 --- {Wikipedia}{,} The Free Encyclopedia", year = "2012", url = "https://en.wikipedia.org/w/index.php?title=AS-203&oldid=480157821", note = "[Online; accessed 28-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:480157821, author = "{Wikipedia contributors}", title = "AS-203 --- {Wikipedia}{,} The Free Encyclopedia", year = "2012", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=AS-203&oldid=480157821}", note = "[Online; accessed 28-June-2024]" }