https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citation_style https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citat... Basically, Wikipedia does

https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citation_style https://en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citat... Basically, Wikipedia does not mandate a citation style, it just has to be consistent throughout an article. And once set, another editor can't change it simply for personal preference. Presumably the original author, or whichever editor first added citations, was more familiar with this style, and so it has stuck.