citation vs mimesis

citation and mimesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
citation	Yes	No	No	No
mimesis	Yes	No	No	No

As nouns, mimesis is a hyponym of citation; that is, mimesis is a word with a more specific, narrower meaning than citation:

Other hyponyms of citation include epigraph, misquotation, misquote, agraphon.

citation (noun)	mimesis (noun)
an official award (as for bravery or service) usually given as formal public statement	the imitative representation of nature and human behavior in art and literature
a short note recognizing a source of information or of a quoted passage	the representation of another person's words in a speech
a summons that commands the appearance of a party at a proceeding	any disease that shows symptoms characteristic of another disease
a passage or expression that is quoted or cited
(law) the act of citing (as of spoken words or written passages or legal precedents etc.)