@misc{ enwiki:1227593546, author = "{Wikipedia contributors}", title = "Josef Páleníček --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Josef_P%C3%A1len%C3%AD%C4%8Dek&oldid=1227593546", note = "[Online; accessed 24-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:1227593546, author = "{Wikipedia contributors}", title = "Josef Páleníček --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Josef_P%C3%A1len%C3%AD%C4%8Dek&oldid=1227593546}", note = "[Online; accessed 24-July-2024]" }