@misc{ enwiki:1138391507, author = "{Wikipedia contributors}", title = "Philadelphia Gold and Silver Index --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", url = "https://en.wikipedia.org/w/index.php?title=Philadelphia_Gold_and_Silver_Index&oldid=1138391507", note = "[Online; accessed 26-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:1138391507, author = "{Wikipedia contributors}", title = "Philadelphia Gold and Silver Index --- {Wikipedia}{,} The Free Encyclopedia", year = "2023", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Philadelphia_Gold_and_Silver_Index&oldid=1138391507}", note = "[Online; accessed 26-July-2024]" }