@misc{ enwiki:1226478226, author = "{Wikipedia contributors}", title = "Rio–Niterói Bridge --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Rio%E2%80%93Niter%C3%B3i_Bridge&oldid=1226478226", note = "[Online; accessed 3-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:1226478226, author = "{Wikipedia contributors}", title = "Rio–Niterói Bridge --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Rio%E2%80%93Niter%C3%B3i_Bridge&oldid=1226478226}", note = "[Online; accessed 3-July-2024]" }