WordNet sense 1 (a short note recognizing a source of information or of a quoted passage):

acknowledgment, citation, credit, mention, quotation, reference

WordNet sense 2 (make reference to):

advert, name, refer, advert, bring up

WordNet sense 3 (refer to for illustration or proof):

quote

WordNet sense 4 (advance evidence for):

adduce, abduce

WordNet sense 5 (call in an official matter, such as to attend court):

summon, summons