@misc{ enwiki:1221418668, author = "{Wikipedia contributors}", title = "Temperate grasslands, savannas, and shrublands --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Temperate_grasslands,_savannas,_and_shrublands&oldid=1221418668", note = "[Online; accessed 23-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:1221418668, author = "{Wikipedia contributors}", title = "Temperate grasslands, savannas, and shrublands --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Temperate_grasslands,_savannas,_and_shrublands&oldid=1221418668}", note = "[Online; accessed 23-July-2024]" }