@misc{ enwiki:1228518957, author = "{Wikipedia contributors}", title = "List of members of the European Parliament for Ireland, 2009–2014 --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=List_of_members_of_the_European_Parliament_for_Ireland,_2009%E2%80%932014&oldid=1228518957", note = "[Online; accessed 12-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:1228518957, author = "{Wikipedia contributors}", title = "List of members of the European Parliament for Ireland, 2009–2014 --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=List_of_members_of_the_European_Parliament_for_Ireland,_2009%E2%80%932014&oldid=1228518957}", note = "[Online; accessed 12-July-2024]" }