selection vs citation

selection and citation both are nouns.

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

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

selection (noun)	citation (noun)
the act of choosing or selecting	an official award (as for bravery or service) usually given as formal public statement
the person or thing chosen or selected	a short note recognizing a source of information or of a quoted passage
a passage selected from a larger work	a summons that commands the appearance of a party at a proceeding
an assortment of things from which a choice can be made	a passage or expression that is quoted or cited
a natural process resulting in the evolution of organisms best adapted to the environment	(law) the act of citing (as of spoken words or written passages or legal precedents etc.)