@misc{ enwiki:1227614912, author = "{Wikipedia contributors}", title = "Path integral formulation --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", url = "https://en.wikipedia.org/w/index.php?title=Path_integral_formulation&oldid=1227614912", note = "[Online; accessed 20-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:1227614912, author = "{Wikipedia contributors}", title = "Path integral formulation --- {Wikipedia}{,} The Free Encyclopedia", year = "2024", howpublished = "\url{https://en.wikipedia.org/w/index.php?title=Path_integral_formulation&oldid=1227614912}", note = "[Online; accessed 20-June-2024]" }