@misc{ enwiki:1165807795, author = "{Wikipedia contributors}", title = "S Boötis --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=S_Bo%C3%B6tis&oldid=1165807795", note = "[Online; accessed 6-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:1165807795, author = "{Wikipedia contributors}", title = "S Boötis --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=S_Bo%C3%B6tis&oldid=1165807795}", note = "[Online; accessed 6-July-2024]" }