APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.