@misc{ enwiki:1209354966, author = "{Wikipedia contributors}", title = "Musée des Beaux-Arts de Caen --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Mus%C3%A9e_des_Beaux-Arts_de_Caen&oldid=1209354966", note = "[Online; accessed 11-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:1209354966, author = "{Wikipedia contributors}", title = "Musée des Beaux-Arts de Caen --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Mus%C3%A9e_des_Beaux-Arts_de_Caen&oldid=1209354966}", note = "[Online; accessed 11-July-2024]" }