@misc{ enwiki:1204701696, author = "{Wikipedia contributors}", title = "Hiệp Hòa district --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Hi%E1%BB%87p_H%C3%B2a_district&oldid=1204701696", note = "[Online; accessed 29-June-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:1204701696, author = "{Wikipedia contributors}", title = "Hiệp Hòa district --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Hi%E1%BB%87p_H%C3%B2a_district&oldid=1204701696}", note = "[Online; accessed 29-June-2024]" }