@misc{ enwiki:1228875511, author = "{Wikipedia contributors}", title = "Đoàn Thị Kim Chi --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=%C4%90o%C3%A0n_Th%E1%BB%8B_Kim_Chi&oldid=1228875511", 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:1228875511, author = "{Wikipedia contributors}", title = "Đoàn Thị Kim Chi --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=%C4%90o%C3%A0n_Th%E1%BB%8B_Kim_Chi&oldid=1228875511}", note = "[Online; accessed 12-July-2024]" }