@misc{ enwiki:1187377203, author = "{Wikipedia contributors}", title = "Κ-Bungarotoxin --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=%CE%9A-Bungarotoxin&oldid=1187377203", note = "[Online; accessed 25-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:1187377203, author = "{Wikipedia contributors}", title = "Κ-Bungarotoxin --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=%CE%9A-Bungarotoxin&oldid=1187377203}", note = "[Online; accessed 25-June-2024]" }