to summon officially or authoritatively to appear in court.
to quote; to repeat, as a passage from a book, or the words of another.
to list the source(s) from which one took information, words or literary or verbal context.
a citation
To serve someone with a summons.
A call to do something, especially to come.
A notice summoning someone to appear in court, as a defendant, juror or witness.
A demand for surrender.