Cita APA (7th ed.)

Catholic Church. Pope. (1963). Pacem in terris. Paulist Press.

Cita Chicago (17th ed.)

Catholic Church. Pope. Pacem in Terris. New York: Paulist Press, 1963.

Cita MLA (9th ed.)

Catholic Church. Pope. Pacem in Terris. Paulist Press, 1963.