@misc{ wiki:xxx,
author = "Wikimedia Commons",
title = "Sovereign-state flags in 1926 --- Wikimedia Commons{,} the free media repository",
year = "2024",
url = "https://commons.wikimedia.org/w/index.php?title=Sovereign-state_flags_in_1926&oldid=877943958",
note = "[Online; accessed 12-July-2024]"
}
\usepackage{url} somewhere in the preamble) which tends to give much more nicely formatted web addresses, the following may be preferred:
@misc{ wiki:xxx,
author = "Wikimedia Commons",
title = "Sovereign-state flags in 1926 --- Wikimedia Commons{,} the free media repository",
year = "2024",
url = "\url{https://commons.wikimedia.org/w/index.php?title=Sovereign-state_flags_in_1926&oldid=877943958}",
note = "[Online; accessed 12-July-2024]"
}
