@misc{ enwiki:1221446394, author = "{Wikipedia contributors}", title = "Károli Gáspár University of the Reformed Church in Hungary --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=K%C3%A1roli_G%C3%A1sp%C3%A1r_University_of_the_Reformed_Church_in_Hungary&oldid=1221446394", 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:1221446394, author = "{Wikipedia contributors}", title = "Károli Gáspár University of the Reformed Church in Hungary --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=K%C3%A1roli_G%C3%A1sp%C3%A1r_University_of_the_Reformed_Church_in_Hungary&oldid=1221446394}", note = "[Online; accessed 6-July-2024]" }