@misc{ enwiki:575704792, author = "{Wikipedia contributors}", title = "Day of Remembrance for All Victims of Chemical Warfare --- {Wikipedia}{,} The Free Encyclopedia", year = "2013", url = "https://en.wikipedia.org/w/index.php?title=Day_of_Remembrance_for_All_Victims_of_Chemical_Warfare&oldid=575704792", 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:575704792, author = "{Wikipedia contributors}", title = "Day of Remembrance for All Victims of Chemical Warfare --- {Wikipedia}{,} The Free Encyclopedia", year = "2013", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Day_of_Remembrance_for_All_Victims_of_Chemical_Warfare&oldid=575704792}", note = "[Online; accessed 25-July-2024]" }