CITATION, practice. A writ issued out of a court of competent, jurisdiction, commanding a person therein named to appear and do something therein mentioned, or to show cause why he should not, on a day named. Proct. Pr. h. t. In the ecclesiastical law, the citation is the beginning and foundation of the whole cause; it is said to have six requisites, namely.: the insertion of the name of the judge; of the promovert; of the impugnant; of the cause of suit; of the place; and of the time of appearance; to which may be added the affixing the seal of the court, and the name of the register or his deputy. 1 Bro. Civ. Law, 453-4; Ayl. Parer. xliii. 175; Hall's Adm. Pr. 5; Merl. Rep. h. t. By, citation is also understood the act by which a person is summoned, or cited.