Cite the archived version of the page so that the reader can retrieve the version you have used. The archived version can be accessed on Wikipedia by selecting "View history" and choosing the time and date of the version you have used.
If no links are provided for the archived version of the page, include the URL and the retrieval date.
Example:
List of References
Traditional African medicine. (2021, August 21). In Wikipedia. https://en.wikipedia.org/w/index.php?title=\traditional_African_medicine&oldid=1039858309
In-text
("Traditional African medicine," 2021)