@misc{ enwiki:1154748249, author = "{Wikipedia contributors}", title = "HD 40307 f --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=HD_40307_f&oldid=1154748249", note = "[Online; accessed 20-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:1154748249, author = "{Wikipedia contributors}", title = "HD 40307 f --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=HD_40307_f&oldid=1154748249}", note = "[Online; accessed 20-June-2024]" }