@misc{ enwiki:1221128110, author = "{Wikipedia contributors}", title = "Journey to the Center of Time --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Journey_to_the_Center_of_Time&oldid=1221128110", 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:1221128110, author = "{Wikipedia contributors}", title = "Journey to the Center of Time --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Journey_to_the_Center_of_Time&oldid=1221128110}", note = "[Online; accessed 29-June-2024]" }