summon vs cite

summon is not a noun while cite is a noun.

Word	Noun	Adjective	Verb	Adverb
summon	No	No	Yes	No
cite	Yes	No	Yes	No

As verbs, summon and cite are synonyms defined as:

Other synonyms of summon include summons.

summon (noun)	cite (noun)
	a short note recognizing a source of information or of a quoted passage

summon (verb)	cite (verb)
make ready for action or use	make reference to
call in an official matter, such as to attend court	commend
ask to come	repeat a passage from
gather or bring together	refer to for illustration or proof
cause to become available for use, either literally or figuratively	advance evidence for
	call in an official matter, such as to attend court
	refer to