@misc{ enwiki:1154828623, author = "{Wikipedia contributors}", title = "Klagt, Kinder, klagt es aller Welt, BWV 244a --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=Klagt,_Kinder,_klagt_es_aller_Welt,_BWV_244a&oldid=1154828623", note = "[Online; accessed 25-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:1154828623, author = "{Wikipedia contributors}", title = "Klagt, Kinder, klagt es aller Welt, BWV 244a --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Klagt,_Kinder,_klagt_es_aller_Welt,_BWV_244a&oldid=1154828623}", note = "[Online; accessed 25-July-2024]" }