@misc{ enwiki:1217593223, author = "{Wikipedia contributors}", title = "J. Craig Venter Institute --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=J._Craig_Venter_Institute&oldid=1217593223", note = "[Online; accessed 4-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:1217593223, author = "{Wikipedia contributors}", title = "J. Craig Venter Institute --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=J._Craig_Venter_Institute&oldid=1217593223}", note = "[Online; accessed 4-July-2024]" }