to list the source(s) from which one took information, words or literary or verbal context.
to quote; to repeat, as a passage from a book, or the words of another.
to summon officially or authoritatively to appear in court.
a citation
To select or copy sample material (excerpts) from a work.
A clip, snippet, passage or extract from a larger work such as a news article, a film, or a literary composition.