Nouns

(n)citation, cite, acknowledgment, credit, reference, mention, quotationa short note recognizing a source of information or of a quoted passage“the student's essay failed to list several important citations”, “the acknowledgments are usually printed at the front of a book”, “the article includes mention of similar clinical cases”
(n)quotation, quote, citationa passage or expression that is quoted or cited
(n)quotationa statement of the current market price of a security or commodity
(n)quotationthe practice of quoting from books or plays etc.“since he lacks originality he must rely on quotation”