@misc{ enwiki:1186527246, author = "{Wikipedia contributors}", title = "Gaston J. Sigur Jr. --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=Gaston_J._Sigur_Jr.&oldid=1186527246", note = "[Online; accessed 26-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:1186527246, author = "{Wikipedia contributors}", title = "Gaston J. Sigur Jr. --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Gaston_J._Sigur_Jr.&oldid=1186527246}", note = "[Online; accessed 26-June-2024]" }